Da-in never expected to reunite with her first love, Seojun, under such bizarre circumstances. Claiming that marriage is the only way to escape his supposed fated death, Seojun proposes a 100-day contract marriage. Refusing to be at a disadvantage, Da-in negotiates her own terms and plunges into an unconventional newlywed life. What starts as a calculated agreement slowly unravels into something deeper, as unresolved feelings resurface and the countdown to day 100 threatens to change everything. (Source: WEBTOON)

After unexpectedly becoming the non-biological mother of her nephew Ji-Ho at a young age, Na-Eun builds a quiet life as a kindergarten teacher. But everything changes when Gang-u, the uncle of Minho, a child with selective mutism, offers her a high-paying live-in tutor job after discovering the boy only speaks around her. As they care for the children together, their unusual living arrangement slowly grows into something more than co-parenting. (Source: WEBTOON