Inside of his mansion which is his new house in case you guys don't read the prologue, we see MC who was currently waking up and noticed that he has to use the bathroom because he drank water last night, he gets up from his bed, puts some clothes on him and walked out of his bedroom to go to the bathroom, but he left his window slightly open from last night as green gas like smoke started to come through it.
When he was done with pissing in the toilet and was done washing his hands, he returned to his bedroom and he saw a giant gas cloud that was covering his roof of his bedroom, he was confused about what he ate last night to make him hallucinate but the gas cloud was coming down and swirling around him and the gas cloud changed into a beautiful older girl who controls the different types of gas.
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Y/n: (Who's that person? Does she control that gas or something?)
She walks to him while swaying her hips enticing him and she approach in front of him, she quickly slammed her lips onto his while he was blushing madly then she lets go of his lips leaving a trail of saliva because she was done kissing him on the lips as she was caressing his cheek with her hand and she introduced herself.
???: Well, aren't you a cute one. I'm Ann Darnell but you can call me Vapor.
He was blushing at her and told her that he needs to use the bathroom as he quickly ran out of his room while Ann giggled at his reaction. So he asked her a question about why she's here and she answer him that the goddess of love granted her blessings to Y/n and said that he'll have various of lovers even yokais, he couldn't believe it and she turn on the TV and turn his head because she told him as he sees the news about harem being legal, while male characters are his friends even Issei but Issei wasn't a pervert, and heard that his 15 lovers are coming to his house while he was in awe by hearing this and more will come to him soon. She turned off the TV and she see him was in shock.
Ann: So, what're we going to do? Y'know, I am one of your lovers after all.
Y/n: Uhhhhh....... I really don't know about it. So, what time are they arriving here?
Vapor: About twenty-five minutes, give or take. I can give you a shoulder massage to calm your nerves if you want.
Y/n: No, it's fine. It's really a massive surprise for me to have. Can you show me your power? Like what you did earlier? I mean, what was that?
Ann: I can change into different types of gas and can use to fly, I even control my power at will. Want me to demonstrate?
He nodded as she changed into her gas form and was swirling around him and changed into her human form while her tail made of gas was wrapped around his body.
Ann: See? Pretty neat, huh?
Y/n: Yeah, it is. Does that mean you change into a fog, mist, and a cloud because cloud is made of gas, right?
Ann nodded her head in a yes motion. So many minutes of him and Ann getting along, he heard a truck beeping as he looked out of the window and saw 15 of his lovers who was coming in his house with their own personal items with it. So, he gets up from his bed along with Ann as both of them walked to the living room and saw his fifteen lovers.
