I’m praying that they aren’t secret twins (⊙…⊙ )
Wait didn’t the ladies at the beginning say that the father was unfaithful....
http://www.mangago.zone/read-manga/ore_sono_kao_kirai_desu/uu/ibx_chapter-1/pg-3/
Also realized that they’re 3 years apart in age, so definitely not twins :)
The whole “let’s meet up for 10 years” was incredibly dumb and insensitive of the seme and it took away from the story, but the thing about the uke needing to be treated as a man felt very real, so I have mixed feelings about this manga ╮( ̄▽ ̄)╭
I felt the same way but I guess the whole manga depends on the "once every 10 years" thing as a concept. It's even named off if it