Motomachi Sakuya is a kind-hearted office lady. After collapsing at work, she wakes up to find that she has somehow been reincarnated in another world as a little girl!? What's more, she seems to have become a "once in a million years" existence due to her numerous rare skills... Confused, Sakuya is confronted by the appearance of a cub of the sacred beast White Tiger, the sacred beast Fenrir, and even two princes! Sakuya tries to hide her powers in order to live a peaceful life, but she can't hide her cheating side...!? A lively life in another world, loved by both fluffy creatures and people, begins!! (Source: AlphaPolis, translated)

After finishing her life as a human, Saika is reborn as a fairy in the world of immortals. However, she is unable to adapt to the world of immortals, so when she descends to the human world, a man suddenly appears. This man, Kouzen, whose life was saved by Saika when he was a boy, declares, "I will never leave your side for the rest of my life"! (Source: Shogakukan, translated)