Okay, I don't know why early 2000s yaoi is so weird! They'll cross all lines & throw in as many morally compromising situations as possible.
This is brother x brother, & damn does the author make a point of reminding you.
I don't really mind tho. Felt a little icky, but I like the designs of the characters. Uke is cute!
Doko ga Ikenai!?