Inside Mari – Vol 01

A college student apparently wakes up in the body of a high school girl.
“Inside Mari is currently the standard for the body-swap genre.” —Makoto Shinkai, Director of Your Name

College dropout Isao Komori wakes up one morning to find himself in the body of a high school girl, Mari Yoshizaki. How did this happen? Where is his body? And who exactly is this girl and what of the soul who previously inhabited the body he is possessing?