Mayuko , who absorbed the mysterious "heavenly flower" in her body when she was young, is a girl in the first year of high school. Due to the power of "heavenly flowers", she remains an immature body even when he reaches puberty, and is suffering from discord with his surroundings ... One day, a mysterious man (Hanamori Shin) I met at the "Sugi Shrine" in the forest asked me to "give me a flower" instead of fulfilling my wishes. What is the identity of the man with big black feathers on his back ...!? Hiromi Ebira's mysterious neo-fantasy depicting the growth of the girl's heart !!