incestuous relationship

Brothers. Shun, the younger brother, has always been taking care of his older brother who can't do anything without his help. He would wake his brother just so he won't be late, Shun would help his brother do his assignments, cook foods for him, iron his clothes, and many more. He was happy doing that so when his older brother suddenly showed him an acceptance letter from a university, what he though vanished. His brother can definitely live without him. This realization made him scared.

twin

>> cousins(?)

Kousuke's mother got enough of her child's playful behaviour. She decided to send him to the country village and stay at his auntie's house. Kousuke agreed for one main reason, it's to see his first love Minaro-chan. The girl he fell in love with when he was still a kid. Upon arriving, Kousuke realized that his first love is nowhere to be found and was replaced by a man with a buzzcut and cute smile.

BROTHERS: obsess, rape, forced,

>>young bro is obssess with older bro. Nao made sure that no girls would get close to his older bro by making a move on them which diverts their attention from his bro and threatening his bro's friends. Because of him focusing his attention to his bro's friends he didn't notice that his older brother got a girlfriend. He was mad so ge made his older bro eat something. Bro became unconscious and when he wakes up, he was tied up and a thing is inside his ass.

he's lusting for his father. and there's a panel where it shows a young him with his father "helping" him pee. Please don't read!

>> Mikage is a rule-obsessed, he likes to follow everything even if it's inconvenient and time consuming for him. On the other hand, Tomo, he's younger brother, loves to do what he wants even if breaking some rules. Despite their polarity, they have a strong bond and understand each other. But as their time together is nearing its end, Tomo decided to break an important rule and because of this, Mikage can't help but be influenced especially that his suppressing his forbidden feelings.

step-brothers. older uke x younger seme

i don't know them but here's what happen:
15 year old mc saw his future self looking so brave and mighty but it all shattered when he accidentally peek through the door where his future self stays doing something nasty with his younger brother yukio. his future self is be8ng fucked by his younger brother and he witness all of that.

brothers

>> this was my threesome awakening. on my first read, at chapter 6 i thought they're going to do threesome with that younger bro's friend so I didn't finished reading it cuz it's making feel aroused. but now that i reread it again, i realized they didn't do it.