Tokyo: I'm bound to the evil women!

Transmigrating to a parallel world's Tokyo, Fujiwara Matsu's second life plan was simple: get into a good university, find a good job, and live a peaceful life. Until a system bound him to his life—but the host wasn't him. [Host: xxx]...Wait, why isn't I the system host? A perfect heiress used her toes to lift his chin: "Fujiwara-kun, be my dog." A maid skilled in combat pressed him into her "sponge," a knife pressed against his neck: "Fujiwara-san, please teach me how to be interesting." A noble shrine maiden stood high above, looking down at him: "Fujiwara-kun, do you want me to ruin your life?"...Fujiwara Matsu looked at the abilities he had bestowed upon them, a slight smile playing on his lips...Now, it's my turn to interfere in your lives.