Mizuyu's manga / #Big family(2)

Poor student with a handsome rich student who saw clothes. One day omega got heat and alpha bite his neck during rape. The family of omega is a poor and his parents have a lot child. Omega want eat a unusually thing and puke so his mother said he can be pregnant. He go to his alpha and say about his worries.

A second son of family start going to high school but he is reliable and take care about his younger siblings. He start take part in gardering club with his senpai but he start having stronger emotions for him. Oneshot is about the oldest brother and his coworker whose he saw when he have a sex in company with noname guy.