MC is reincarnated as Princess in shitty bishoujo games. that all capture target has twisted personalities char is M personal guard. that the princess in game see him and maid has an SM play that makes MC want's to burn the game developer building Narcist Young Noble because his mother has weak body and die Capable first prince. Siscon Little prince that mc ask first prince to train him. OP magician that likes to collect girls dead body the heroine is summoned from another world, and must capture one of char above... thanks
It Seems Like I Got Reincarnated Into The World of a Yandere Otome Game? (probably I'm wrong since three others mentioned Tensei Oujo instead xp) edit: reread the first chapter - yep I'm wrong.