Seme fell in love first

Chihira is an ordinary boy looking to lose his innocence.One day,his "succubus blood" awakens,which means he now needs to steal other men's vitality in order to survive. He desperately asks his best friend Arou for help...Wait! He wanted to take someone for the first time but now he's being taken!?What is an ordinary high school student to do when he suddenly becomes a succubus!?

Asakura Kai has come to the marriage ceremony of the man he once loved. By his side is his former highschool classmate and now sex friend, Iguchi Keisuke. Kai, who was nursing feelings which had no place to go at the time, was offered a relationship which was convenient for both of them by Keisuke.

Ten years have passed, with Kai unable to ask Keisuke about his true feelings. What are Keisuke’s feelings, standing by my side right now…….?

A slutty friend ends up developing a love of anal!?Ryo, who possesses a higher-than-average libido, used to sleep with women he didn't know. His only other sex-obsessed friend, Akanishi, has threesomes on a nightly basis. Two men with strong libido awaken to the meaning of love.

Haruhi's sick of being bossed around by his younger stepbrother, Akito, and tells him he's had enough. Haruhi's too nice, though. Upon seeing Akito's sad expression, he tries to console his brother, only for Akito to kiss him right then and there! Haruhi's never seen Akito so desperate. Akito doesn't hate him!? ...But, why show it with a kiss!? Akito's behavior escalates, and Haruhi's still not sure what's going on in his brother's head.

Shin and Mitsuya and Shin’s little brother Satoru have been friends since childhood, and Shin is super proud of his hot best friend and adorable little bro. But when Shin finds out that Mitsuya isn’t being entirely honest when he professes to have never kissed anyone before, he can’t help but wonder just who Mitsuya has kissed before…

Proclaimed handsome elite businessman, Yuuto Shinonome, falls in love at first sight with Tamaki, a beauty who's exactly his type. It hits him like a ton of bricks when he finds out Tamaki is actually a guy!! Nevertheless, Yuuto still acts like a kid with a crush and teases Tamaki like there's no tomorrow... How can perverse Yuuto handle love!?

Due to having to pay the debts of a lover who disappeared Shiki is destined to living in poverty. One night, he discovered a man who had collapsed at the park and since he was worried about him he took him home with him. The collapsed man ended up being Tenma, the extremely famous top model!! Tenma quickly hands the debt collector a large sum of money in front of a surprised Shiki and tells him “Provide service with that body – that I bought!!” and moved into the 1K (1 room + Kitchen)

"Do people fall in love with someone on their first heat...?"
The world is filled with animals that can evolve into beastmen. There is a young and earnest wolf who was always mistaken for a showy person because of his flashy looks.
The easily mistaken wolf has fallen for an attractive looking rabbit named Usami, whose skin is tanned. Even though Usami is very cautious of the carnivors, he will put his guard down only when he was with the easily mistaken wolf, who was a pervert that

Kawachi's enjoying another day of watching (more like stalking) his favorite guy, the very nice Yuto Shinozuka, from the shadows. As he's peeping on Yuto putting away some stuff in the gym storage room, something unbelievable happens...! Caught witnessing Yuto showing his true self, Kawachi panics and blurts out that he'll keep quiet if Yuto pleasures him! Kawachi feels terrible because what he's doing is basically blackmail! But, he just can't help himself.