Bog Standard Isekai - Chapter 16Book 4.

“Players are welcome to board the special train for the Dimension Crack game. This train will go from the E-level departure station to the D-level station. Please ensure that your life is safe and orderly get on the train and abide by the rules of the ride.”

“Ride rules are as follows:”

“1. Please do not bring non-game items on the train. (Except underwear)”

“2. Must consume. (The train staff are all working without pay)”

“3. Do not turn on the lights after turning off the lights. (Except for those who are daring and talented)”

“In addition, the train encourages a variety of leisure methods such as sneak attacks, fights, and hunting. Players are invited to choose at will.”

“I wish you a pleasant journey.”

- Description from novelbuddy

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

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates