![](https://pic1.mangapicgallery.com/r/avatar/82/u96973_50x50.jpg?2)
I know he was raped in that park but this page really show it explicitly. Didn't notice it until I re-reading it.
http://www.mangago.zone/read-manga/ore_higaisha/nbt/manga/ore_higaisha/c004/pg-13/
![](https://pic1.mangapicgallery.com/r/avatar/82/u96973_50x50.jpg?2)
So finally there's a progress between the two leads. I guess Yamato is fall in love with Yuiji... slowly but sure. But Yamato seems too hetero/asexual, and there's problem with Mayu too. Hmm I don't think I'm okay if Yamato and Yuiji don't end up together, but well it depends on author's story telling
The seme is just really "you like me so i like you back". If the uke didn't stopped him, he'll just go back with that girl.