Akuma to Tsuki no Yoru (One Shot)

Kyouko, an isolated girl whose parents are always working and who has no friends nearby, finds Lucifer in a garden. He claims to be the Prince of the Underworld, and after Kyouko rescues him, he decides that she will be his wife. The situation becomes more complicated when Ishii-kun, the boy Kyouko has confessed her feelings to, suddenly says he wants her for himself. Kyouko is caught between Lucifer’s claim and Ishii-kun’s unexpected desire.