Golden Time 2: The Answer is Yes - Yuyuko Takemiya

Banri Tada is a newly admitted student at a private law school in Tokyo. Due to the after-effects of an accidental fall from a bridge shortly after high school graduation, he lost all his memories from before then. At the time of the accident, Banri's soul had escaped from his body, and the "Spirit of Banri Tada" came into being, carrying his memories from before graduation.