Quick Wear: Yandere Boss Loves Hard

Quick travel + female channel + system, 1v1 (same male protagonist setting in each world) The heroine is beautiful and sober, her IQ is online, and she doesn't take the usual path. The male protagonist is paranoid and crazy, cold and abstinent on the outside, but extremely possessive on the inside. Each world has about 25 chapters and an independent story line. The heroine is either seeking death or breaking the rules. Sweetness and abuse intertwined, the further back, the higher the head