The Black Beast’s Useless Concubine - Chapter 2487

Li Feng found himself in a dangerous demonic sect where he could be killed at any moment. But he was worried as he had his ultimate upgradation system.Blood Essence Pill -> Blood Origin PillTurtle Breathing Mantra -> Xuanwu's Great IsolationPhantom Spirit Fox -> Nine Tailed Celestial FoxJust like that, Li Feng was confident that he would be able to become stronger at a very fast pace and would be able to survive in this dangerous demonic sect. Not only that but as his parents were killed by some of the disciples of this demonic sect, he was also going to take his revenge on them. With his system's assistance, Li Feng was confident to reach the pinnacle of cultivation.

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates

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

I finally managed to kill the demon lord.