A Certain Scientific Phantom Book One

There are two types of beings; the Living and the Ghosts.

Danny Fenton, A.K.A. superhero 'Danny Phantom' is just your average every day 15-year-old half-ghost hybrid. Whenever his high school goes on a field trip to Academy City, Japan, he meets some... interesting... people.

Mikoto Misaka. Level 5 electrical powerhouse, she usually spends her days either in school or frying perverted thugs. The day whenever her friend forces her to help give Americans a tour of Academy City, she runs into everyone's favorite ghost kid after defeating a different spirit.

The two bond over smoothies, and spend the rest of the day together.. until Mikoto gets taken to Ghost Prison for a crime she didn't commit; stealing from the Ghost Zone, the dimension most ghosts originate from. Now, Danny and his friends have to figure out a way to sneak into an upgraded maximum-security prison to rescue her.