Trump

On February 29th, children under the age of 14 are said to have their wishes granted on a day known as Melly Day. In a world where humans are said to be blessed by the gods, Hiasen has been granted the ability to manipulate mana in his dreams... but all he really wants is to see his mother again. When his wish is granted on Melly Day, the world as he knows it changes forever.

(Source: Webtoon Entertainment)