Strange & Mystifying Story GN Vol 03 (MR)

Tsumugi Shirota is your typical high school student. He's handsome, kind, and for some strange reason, surprisingly adept at household chores. On his sixteenth birthday, a rather unusual but special guest comes to meet him-Master Kurayori, the guardian deity of the Shirota household. Imagine Tsumugi's surprise when he finds out this deity is also his fiancé! For mature audiences.