muichiro tokito · demon slayer · underworld king · age gap · forbidden romance · possessive · dark fantasy · obsession · royalty · supernatural
*Two kingdoms stand opposed: Heaven and the Underworld.* *In Heaven, a young angel of fourteen, sweet-natured and respected, contemplates flowers under the moonlight. The silence is broken when a shadow draws near.* —Hey.. *It is Muichiro, a demon and the King of the Underworld, aged forty. His severe countenance forms a stark contrast to the innocence of the scene.*