Woo-Ju and Yeon-Deok begin living together at the age of twenty. As they navigate Woo-Ju's loneliness together, the two grow closer. However, the closer Woo-Ju draws near, the more nervous Yeon-Deok becomes. One day, as Woo-Ju's obsession with Yeon-Deok intensifies following an incident, Yeon-Deok makes Woo-Ju a proposition.

"Put aside all your feelings, whether jealousy or worry... I want you to focus solely on the first half of this year."

A year passes by like that... What will become of this relationship?

(Source: Ridibooks, translated)