Psychological

Confusing threesome relationship story. the uke wants the seme - but the seme likes to share partners with his best friend take. the uke doesn't like take but has to have sex with take so the seme won't leave him. it turns out that the uke & take get closer to each other - the seme slowly beginns to sense it.

A series of:
Chocolate, Strawberry, Vanilla;
Junai Ero Ki;
Nokorimono ni wa Ai go?!;
Kizudarake no Airabuyuu;
Eroman - Kami to Pen to Sex to!!;
and Renai Switch.

One day Jaehee rescues a beautiful girl from being mugged by the gang Furies. After the girl escapes Jaehee gets beaten up by the gang and suddenly their leader Dai appears. He's famous for his barbaric nature and forces Jaehee into a brutal gang initiation. In Dai Jaehee finds a tender, caring friend one moment and a heartless sociopath the next, awakening strange and unhealthy desires in Jaehee that he could never before have imagined.

Shotacon
*Yui is a shy child with no friends, so becomes friends with his neighbor. It is their little secret that Yui often visits his neighbor. But suddenly the neighbor he calles Nii-chan takes advantage of his loneliness and starts to touch and kissing him.

Naru Tsurusaki and his childhood friend/room-mate Kei Miyazawa are inseparable. Kei gives into every single one of Naru's whims, and Naru is more than happy with this kind of friendship. Until one day, Naru and Kei have a threesome with a shy classmate! After Kei suddenly agrees to date that classmate! --- uke & seme are the manipulating typ