Ijousha no Ai
Read vol. 2 ch. 19 This is nutts... Holly... this is CRAZY!!! The MC is a male. A girl has a crush on him but She's a yandere... like... The ultra brutal psychological yandere. She even nailed (yes with nails) him to the floor... It all started during their scool years... And noone do a damn thing about the murdered and torture the girl caused... (Well She went to a school for menatlly sick after the 1st incident but they let her go...)
Lima Syndrome
Read ch. 7 ...WTF?! A rich alpha decided that he wanted another alpha as his omega partner, so he manipulated things around him and the other alpha himself - changed the test results from aplha to omega, payed other to bully him so He could "save" him - basically to make him dependant on him and indebted to him... And it worked till their adulthood - they became friends. In the end, the rich alpha made the other alpha cripled so he wouldn't (and couldn't) run away (cuz now He knows the truth).
The Hero Who Seeks Revenge Shall Exterminate With Darkness
[GwangGong Industrial Complex] Trap
Read ch. 4 Warnings: - rape, stranglation, injuries. Well... Sucks to be the detective. It takes place in a city. The main character, the detecrive is investigating a murder case - the murderer is martinkg the victims with ribbons. The detective suspects a rich Guy to be the murderer, so He observed him for some time... Turns out He was right but in the end He got kidnapped by him and became his lifetime plaything. The end.
Who is the Prey