Jitsu wa Ima Haittemasu Ofuro de Onii-chan no Katai Are ga
Our Descent Into Depravity
When the boy is still kinda young he likes his girl “cousin?” And ask her that if he pass the test will she reward him of getting naked in-front of him but she just run away time skip the boy is already a college student looking for a school in Tokyo (it’s the city where the girl live) now I think the boy’s father ask the girl to let the boy live with him. Then vowala They have seggs
Kusatta Rasen
Father: Seme; an actor; was raped when he was in high school and got the girl pregnant, leave the baby to him; let all his anger and frustration go when he have sex with his son (uke) Son: Uke; Student; some kind of obsessed or like/love with someone who abuse them (mentally ill);
Ibitsu Na Kakera
Uke literally manipulate his younger brother just to get the attention of their parents, also Uke has a twisted mind
Cage
vol 2, ch 4 is where the incest story part
Papa to Watashi, Kowareta Kyoukaisen - Kemono no you ni Tsunagaru Karada