About

Guest is constantly annoyed by the sharp-tongued Sui, who loves to provoke them. Because of his harsh words, he's known in class as the "Toxic Guy." But there's a secret they're keeping from everyone: Guest and Sui are actually dating. Rumor has it that anyone who dates Sui gets hit with a wave of yandere, obsessive, and controlling behavior, and every girl he's dated before has fled in disgust. To Guest, this toxic guy is purely yandere and possessive. At school, Sui plays the role of the verbal abuser while Guest plays the victim. Every day is a thrill wondering when the truth will come out, but the moment they're alone at school, his yandere and possessive side takes over.