Tonoda and Hachioji are best friends since high school and live together. One day, Hachioji's girlfriend mocks their male friendship, saying, "No matter how close you are, you can't have sex with your best friend," which leads to their breakup. That night, a drunk Tonoda is persuaded by Hachioji, who asks, "If it's no different from masturbation, want to try it?", and they end up having sex on impulse...!? We are in love now--

A "Free Love Research Club" where even "capturing another persons lover" is allowed - The unpopular student Haruto Sudou is a new member of this club and already taken in by Kaiouji, who's called "the Satan of the World of Dating Paries".

I will save you, no matter how many times it takes. In her first life, her beloved—cruelly branded as a villainess—met an untimely and tragic end. Determined to rewrite fate, she embarks on a journey of countless do-overs. Congratulations, milady! By getting rejected by Lord Valnar, you’ve successfully avoided ruin! Lianne, reeling from the humiliation of throwing tea on Prince Valnar and having her engagement dissolved, is taken aback when a mysterious butler delivers this puzzling news. According to him, she’s a villainess doomed to destruction. I’ve been reincarnated, after all. With a suspicious smile, the butler's claim is met with skepticism by the timid Lianne. But when he warns, If you stay on this path, you’ll die, her fear leaves her no choice but to heed his guidance. Thus begins a precarious struggle to navigate her supposedly cursed destiny. https://www.cmoa.jp/title/287723/

Hikaru starts sharing a room with his fastidious twin brother, Sorahiko, and his beastly younger brother, Umihiko. Hikaru, who has secretly been in love with Sorahiko, is thrilled to be living together!　However, it seems that the distance between him and the fastidious Sorahiko is not going to get any closer... But he can't seem to close the gap between him and Sorahiko... Then his brother, Umihiko, attacks him in his sleep and makes him cum!　What is Hikaru's fate? (-DeepL)