Aozawa Kanata is a first-year university student. Upon entering university, she ends up sharing a room with Ichinose Yui, the daughter of her father’s friend and a third-year student at the same university. However, once they start living together, she learns a shocking truth: Yui is a lesbian, and is known for being a notorious womanizer. This is a university roommate story about a straight junior who is seduced by a beautiful, lesbian senior.

The ultimate representative of the “herbivore type,” pure-hearted pushover Baek Eunwoo, VS The apex predator of the “carnivore type,” icy and intimidating Beom Hoyeon. How in the world did two complete opposites end up dating? “Baek Eunwoo. Come work for me. Pretend to be my boyfriend. For exactly one year. I’ll pay you… 100 million won.” Hoyeon, the notoriously devilish director of a top artist residency program, needed a fake boyfriend. Right on cue, Eunwoo appeared in front of her— pretty, poor, and painfully kind. Seeing her chance, Hoyeon pounced like a predator snatching prey. Overwhelmed by her force, Eunwoo accepts before he can process what’s happening. But every moment spent with Hoyeon is a struggle for Eunwoo, a lifelong virgin with no dating experience, while she, with her stunningly beautiful face, speaks and acts shamelessly without hesitation. Thus begins their clumsy and chaotic fake relationship— between an innocent boy who has no idea how to handle any of this and a bulldozer of a woman who stops at nothing. Will they manage to pull off the act of being a crazy-in-love couple who can’t live without each other? Or will this become a full-color record of a hot and explosive year?

Single dad Son Hee-woo is caught in an unidentified attack.Appearing before this crisis is... Moon Taeha, his former lover. Tae-ha, whoapproaches him, saying he'll take responsibility now that his wife is dead, his words are suspicious.And the truth is revealed: his relationship with Hee-woo was a "planned approach" from the start.Swallowing his betrayal, Hee-woo resolves,"I won't be fooled anymore. This time, I'll use you."A second relationship that began as a lie begins to flow in a new direction.