Back-li (백리)

With her catchphrase, "Please say I'm your favorite♡", Kanzaki Sumire, a member of a girl group, rose to the top of the charts in one fell swoop, but a single mistake led to a scandal that sent her into the depths of despair! She decides to go back in time to save Nakamoto Seiya, the person involved in the scandal, but will it work out? A slapstick love story between Sumire, who has become a guarded woman, and Seiya, who keeps rejecting her for no apparent reason.

The most powerful and terrible devil among all the devils is Suma, the devil of sleep, who can make you sleepy no matter how long you’ve slept! Suma, who hadn’t fallen asleep for the past six hundred years, finally takes a good rest when he meets a human female who his spell wouldn’t work on. “Such a great human vitamin! Be proud of yourself, human.” Suma treats her differently from other humans, but one day, he finds himself feeling emotions for this poor and humble creature.