Main character has a (grade or middle schooler) sister. He has a close university friend. He catches them having sex and drama ensues.
Does anyone know the name?
nothing?!
came on!
Mon Seul
>>301223
Damn that was fucked up, they totally painted the MC as the monster in the first few chapters
Now I'm interested, damn it
>>301223
>Mon Seul
Thank you kind gentleman