Bog Standard Isekai - Chapter 12Book 3:

Mira is determined to be a botanist—no matter how dangerous or violent it may become. Mira made two requests upon entering the multiverse: a botany class to further her research and to be dropped off in an isolated forest far from the violent god-rearing system BS going on. She was granted both—but not in the way she expected. The system abandoned her in a hellishly dangerous forest—where she earned a rare class that excelled at killing things.

“Hmph, my dumb big sister is in danger!” A mischievous grin spread across his face. “Hehehehe... this gives me the perfect excuse to finally use this treasure I’ve acquired but never bothered with!” He rummaged through his belongings, carefully selecting various items. “A bit of this... and this... and a dash of this.” Boom! The explosion of energy sent a ripple through the air as he laughed maniacally. “Hahaha! It’s done! Now, all I need is a compatible host for it.” Years later... “Did I overdo it?” he wondered in awe, watching as his creation wreaked havoc, conquering world after world with ease, as though stealing candies from children.

ichiro sakutaa 16 year old High schoolstudent who is so hornythat even the boy's are afraid of him and no one tries to be close with him, and he doesn't get any sex in his world due to some acts of his and verious reasons that we will find out,but one day he gets transmigrated to another world where gender morales are reversed and women's are more sexually aggressiveas soon as he realised this he begins his journey to start hisHarem but he doesn't understand that he is letting his impulsive thoughts to do evil things and becomes a sexual perverted serial killer( his Harem will not accept eachother )( either with one of them or be dead )( rape, piss drinking, scat, loli, pedo, super pedo, femboy, cross-dressing, heavy spitting/saliva drinking fetish, heavy necrophilia sex, cannibalism sex, food sex fetish, incest, forced feminization, penetration, sexual killing, zoophilia, animal sexual abuse )mc is beyond degeneration pure evil

There were women approaching me, who had decided to die.