All characters in sexual situations are 18 or older. Thanks for reading!
Chapter 6
"What do you need, Commander?" Lieutenant Kiandra Eastman saluted Commander Gren. Out of the corner of her eye, she studied the big blue ensign beside the commander. It was odd meeting with two crew members in the large conference room.
"You have no husband. I couldn't find anything about a boyfriend in your file, Lieutenant. Do you have one?" Gren gazed at her coolly.
"Yes, Commander. I plan on visiting him when I'm on leave. He lives on Mars. Which is... um... near Earth." Kiandra didn't understand why her superior officer would need to know about her boyfriend. Commanders were often inscrutable.
"I know where Mars is." Gren looked at Ummul. "A boyfriend is not a husband. Good enough?"
"Yes, good enough." Ummul had his doubts about this. But Gren seemed certain. And Kiandra was quite pretty, with dark, lustrous skin, and a pleasing female form. He consoled himself that she would be the last female he would invite until he returned to Roven. "Hold still just a moment." His ears pointed forward.
"What are you... eeeewwwwwwww." Kiandra closed her eyes as something warm and wet hit her face. She wiped the viscous goo out of her eyes and blinked at the two aliens. "Did he just spray me with something?"
"Give it a few seconds, Lieutenant." Gren stood still, her hands behind her back.
"Take that big, blue oaf to the brig. This is disgusting." Kiandra looked at the clear goo on her hands. "I... I... I feel strange."
"There it is." Gren let a smile slip onto her face.
"I'm hot... and... what's happening?" Kiandra was suffocating in her clothes. She broke out in a sweat. Without thinking, she kicked off her boots, unzipped her uniform, and stepped out of it. She stood before them wearing only her bra and panties.
"Look at that body. She must please you, Ensign." Gren gestured at Kiandra's large breasts.
"She is very pretty. That was never my problem with this, Commander. It has more to do with keeping things in order." Ummul unzipped his own uniform. "And I am now having all the sex that I require."
"Getting blasted by a ventral cannon is pretty disorganizing." Gren arched an eyebrow at Ummul.
"Why do I feel like I'm... pulsing?" Kiandra took a few wobbly steps. Both her pussy and asshole seemed to be opening and closing rhythmically, like they were breathing. She looked down to see that her panties were soaked.
"You have accepted the Invitation. Your body is changing to allow me to enter you." Ummul stepped out of his uniform, his penis standing proudly before him.
"Jesus Christ." Kiandra's boyfriend was big, but this alien was in another league. His blue dick pulsed horrifically... at the same rate as her pussy. "I... um... why?"
"That is a good question, Lieutenant. Perhaps the commander will answer that for you later." Ummul stepped forward and lowered her sopping panties. He found that the clasp of the bra was too small for his fingers. "Please remove your bra."
"Like hell I will." Panties around her ankles, Kiandra stared at the giant penis swaying before her.
"Very well. It stays." He didn't want to ask for Gren's help. Instead, he lifted Kiandra into the air, took hold of her butt, and maneuvered his cock to the entrance of her pussy.
Why was she putty in his arms? Kiandra's mind shrank and shrank until all that was left was a desire to become one with the alien. "Eeeeeeiiiiiiiiiiiiiiiiii." She threw her head back and screamed when he pushed inside her. Her pussy gushed around the invading thing. "Ssooooooo... uuugggghhhhhhhh... big... oh... shiiiiittttttt." Her feet flopped on either side as she descended down that great length.
"You have... two boyfriends... now." Ummul tightened his grip on her ass, pulled her up the length of his cock and slammed her back down. He found a good rhythm and soon his newest female was bouncing in the air and clutching fruitlessly at his chest with her fingers. "I will... uh... uh... uh... take good care of you... I... promise."
"What's... ugh... ugh... your... name?" Kiandra looked up into Ummul's large face. She could see passion there. His grunts were wild and animalistic. It was pure bliss to be joined to such a handsome beast. How had she thought he was ugly only minutes before? His overwhelming beauty triggered her first orgasm.
Ummul slowed his pace as he waited for her to stop screaming. When her eyes seemed to see him again, he smiled. "I am... Ummul... Lieutenant. And I think we better... switch to your butt. I want to be... cautious."
"What!?" Kiandra's mind was fragmented, but even in the best of times it seemed she would not have been able to wrap her thoughts around what he'd said. She didn't need to conceptualize, however, because Ummul showed her.
Gren undressed, too, as Ummul sat on the floor and maneuvered Kiandra into a riding position. The commander fingered her pussy as she watched the human hump herself on Ummul's mighty penis. Gren was quite amused when Kiandra declared over and over that she'd never had anal sex before. It seemed that the woman had a knack for it. As the lieutenant went from orgasm to orgasm, Gren gave herself a few of her own. When Ummul finished inside the woman's butt, Gren used every ounce of willpower not to ask for the Invitation herself. Instead, she helped clean and dress Kiandra, said goodbye to Ummul, and escorted the woman back to her quarters. Back at Kiandra's place, Gren explained the rules for being Ummul's girlfriend. If they were careful, they might never get caught.
~~
For the safety of all, Ummul's girlfriends followed Commander Gren's rules as closely as they could. All meetings would take place in reserved training or leisure rooms. They would not communicate except through channels secured by Commander Gren. They would report any questioning by husbands or other crew members so that one of the other girlfriends could provide an alibi. And they would not see Ummul more than three times per week. The rules worked. The girlfriends and Ummul safely met and mated for months without incident.
One day Amelia stood with Ummul in the jungle training room, rubbing the Invitation onto her swollen breasts. "That's what... I've been needing," she purred.
"I... um... hesitate to mention it... Mrs. Collins. But your body seems to be changing." Ummul had studied human gestation. Since he'd learned about morning sickness, he had become quite concerned. "You have told me that your nausea has lessened. You seem to match all the markers for your second trimester of pregnancy."
"Are you calling me fat, sweetheart?" Amelia was too excited by the Invitation's effects to take offense. "I had a very similar argument with my husband a few days ago, and that ended with him sleeping on the sofa."
"I am not arguing. I am concerned you may be pregnant." Ummul couldn't control the rise of his cock. Amelia's beauty seemed all the more compelling in her curvier state.
"That's almost exactly what he said." Amelia giggled. She walked up to the blue brute, grabbed him by the cock, and pulled him past imitation foliage into a clearing. "Me Jane... you Tarzan... Jane hump Tarzan." Amelia laughed, pushed him to a sitting position on a mossy rock, and mounted him. "Could a pregnant woman... oooohhhhhhhh... do this?" She lowered her pussy on his cock and immediately rode him hard.
"I do not... ugh... know." Ummul was flummoxed by her cavalier response to his questions. "Maybe... you should see... a doctor to find out?"
Amelia giggled and grunted at the same time. "I can't be... pregnant... silly goose." She kissed his big nose. "I have only been with... uh... uh... uh... you and... James. And... I always... make James... ooohhhhhhh... wear a condom. He says... he can't feel it with one on. But... uuuugggghhhhhh... I'm guessing that has... more to do... with what you've done to my... pussy." Amelia shook her way through a climax.
Ummul left the training room several hours later. His body was satisfied after the coupling, but his mind was not. He was not sure what to do. He needed more proof before bothering Commander Gren with his suspicions.
~~
Two days later, he met with both Katlin Darling and Claire Tanner in a reserved leisure room with an excellent view of the sea of stars all around them. The women quickly undressed, and so did Ummul. But he was not as fast as them. He observed them both closely. It was not as obvious as with Amelia, but he felt their bodies were changing, too. "Have either of you been throwing up lately?"
"Well, that's an odd question." Claire smiled at him like he had made some sort of crude joke. She wasn't always sure what her blue boyfriend was talking about, but she had decided a while ago that he couldn't possibly be as earnest as he seemed. "Of course not."
"I have." Katlin held up her hand.
"I see." Ummul nodded and finished undressing. They both looked up at him with expectation. He sprayed them with the Invitation. "And do you use birth control with your husbands?"
"You are so weird sometimes, Ummul." Katlin rubbed the goo into her skin, bent forward, and took the head of his penis into her mouth.
"I think it's kind of hot to talk about." Claire smiled. "Gary and I are trying to have a baby. So, no." She looked up into his frowning face. Despite the blowjob by her friend, Ummul looked quite unhappy. "I'm sorry, Ummul. I hope you don't mind. I mean... he is my husband still... and..."
"It's not that." Ummul thought things over as Claire joined Katlin. They licked either side of his dick. It felt good, but the pleasure was attenuated by his concerns. "And are you trying for a baby, Mrs. Darling?"
"Bill... and I... haven't... had sex... in months." Katlin said between licks.
"Oh... okay." Ummul was done talking with Katlin, so he absentmindedly cupped her head in his hand and directed her mouth back to his cockhead. Soon she was gagging and bobbing on him. "Have you taken a pregnancy test, Mrs. Tanner?"
"Yes." Claire stepped back and watched the blowjob. Her vagina pulsed and gushed. She was ready for some action. "Several. They were all negative." She turned her butt toward him and wiggled it. "Now, are we going to talk about family planning all night or what?"
Ummul sighed with relief. The tests were negative. He would ask Amelia and Katlin to get tested as well, but maybe he had been overreacting. There was still so much he didn't know about humans. It could be that their bodies gained curves the more sex they had. They had certainly been getting lots of it. He would have to look into other possible explanations. "Yes, we can mate now." He pulled Katlin off his cock and tossed her over his shoulder. He picked up Claire and held her under his arm. He carried them over to a long sofa under the viewing window.
"Oh... gosh... every time... is like the first time... with you... Ummul." Claire stood on the sofa and pushed back at her boyfriend. He still had Katlin over his shoulder, with one of his blue fingers in her pussy. She gazed over her shoulder at the mesmerizing sight. He could carry them around like little playthings. "Cum in me... oh... yeessssss... cum in me."
"Almost... there." Ummul pulled out of her vagina and plunged into her butt. Even if this had all been a false alarm, he would be more careful with all of them going forward. At any rate, on Roven he would always use a female's back entrance until they were ready to procreate. That was normal. "Aaaaaahhhhhhhhhhh." Ummul roared and emptied himself inside the shaking wife.
Chapter 7