A bl story where red hair is actually the real son while the fake son regressed (?) and try to avoid his ending. The fake son' real mom switched them at birth.
Oooh I wanna know to
this one? https://www.mangago.me/read-manga/secret_of_birth/
THANK YOUUU
A bl story where red hair is actually the real son while the fake son regressed (?) and try to avoid his ending. The fake son' real mom switched them at birth.