One's childhood is a memorable and sometimes bittersweet chapter in our lives. We all have made promises with ourselves or with special people: Love, marriage, or our ultimate goals. But the harsh realities and the roller-coaster ride of growing may have us forgetting these special promises, or on the other hand, strengthen our resolve to fulfill them. Nevertheless, childhood promises should just stay in the past, or should they?

Normal girls usually marry the perfect and normal boy for them and live happily ever after. But these female leads are not normal because they are destined to be with supernatural lovers! The struggle of loving such creatures is hard, but they just can't help but cherish them with all their heart.

When they were young, characters in this manga made a promise to each other; in the present, they might be working to fulfill that promise, or they might have forgotten it due to amnesia. These characters are now living in hopes of fulfilling that promise whether it be a romantic promise or a promise of a better future!

New year's resolutions are meant to broken, as they say. Follow these characters as they make new year's resolutions and proceed to break them, potentially harming those around them unintentionally or changing their lives forever.