An elite trading company employee who becomes a psychopath when he sees big breasts is a big-breasted psychopath with a desire for possessiveness and a sexual desire to the max! He takes her to his house, puts her to sleep with sleeping pills, and restrains her! When she wakes up, her body is deprived of freedom in restraints, and the gentlemanly man from before is in front of her with a creepy smile. "A seemingly serious man working for a major trading company meets a woman he found on a dating app. At first glance, he thinks she's his type, but he eases her Kokoro up with his gentlemanly behavior and skillful conversation, and invites her to his house after dinner. He secretly mixes sleeping pills into her tea, putting her to sleep... When she wakes up, she finds herself tied up in an impersonal room, and the man has transformed into a psychopath..."