Incest

Daigo is in love with his cousin whose twin brother loves Daigo

Brother x brother (blood related)

Brother x brother (no blood relation)

3ch (ch.8-10)
brother x brother (blood related)

✤ Ch. 1-3, 6 I have a love relationship with my brother - His beloved cool stepbrother who dreamed to be a cop & left home for college a year ago, comes back home in delinquent-looks with tattoo on his back too!? (O‿O;) - Heartwarming Nice-paced Story, Both MC're so lovely.
✤ Ch. 4-5, 7 The novelist's love/boyfriend is troublesome

• Ch.1-2 Big Brother is my classmate - Found out his stepbro's weak with skin-ship, Hikari has fun teasing his Oni-chan. - You're too tempting kiddo! The past ruined Seme character.
• Ch.3 Teasing Suggestion - So the Seme's the gal the Uke ever bullies when they're lil..!
• Ch.5 The Cute Rude Person - A 7-year reunion of a jock with a weakling senpai whom he'd helped out a lot at high school baseball club.

❖ Ch.1 We awake in spring time - Dark Psychological Family-Affair of Love Square Tragedy disguises as an easygoing heartwarming family! 2 are gone, 2 become insane!! (O‿O;)
➽ It gives off more terrible vibes, telling from a lil gal's POV who becomes a victim of adult's sickness then she's eventually gonna be one of them. (●￣(ｴ)￣●) How sad!
➽ As fiction it's great dark drama, everything's smooth & realistic w/o excess or force drama. That open endin

➤ Up to Ch.1 - For sure Kenta loves Nii-sama Masato but it's still a long way for him to grow up.. Now he's just a fragile lil boy who's easily breakable. Moreover, though Masato feels ashamed, he's also afraid to be left.. I just hope Masato doesn't have scary dark side

]] Ch.3-4 The Kind & Beautiful You - Great! Fan of Dark Plot Twist theme will love this.
A stage actor got beaten by drunken client at his part-time job until he has to walk with cane, threw his dream as an actor away. In his frustration, his bro-in-law has looked after him so well, becomes everything in his life. He even plans to take him from his sis & marry him. It turns out a bro-in-law whom they ever belittled & ignored is... - I'd better not spoil. (>‿O)v