The Hosea Academy is a private school in the Musaigen no Phantom World series. It offers students grade school to high school courses.
In the XP4 fics, Hosea is allied with the Heroes Coalitions.
Hosea Academy's known curriculum is the Neural Error Corrections Curriculum. Students form club-like groups to seal or expunge malevolent or troublesome phantoms and group themselves in several teams. Facilitators give each respective teams tasks related to a Phantom. In return of accomplishing the task, they pay rewards to the team albeit in goods and sometimes, cash.
- Arisu Himeno