"Have you ever said that my ability is to go to the future?"
Introduction:
The young boy Hanagaki Budo who went back in time accidentally learned a secret of his senior.
The heroine is set as Manjiro's adopted sister, with max strength
It's my fault that my sister is different from her appearance.
Cp strong cub, related to heroine x Shinichiro
Concept: Despair of the future