Baka & Test: Summon the Beasts

Baka & Test - Summon the Beasts is a hit school comedy franchise that uniquely blends romantic humor with tactical RPG-style avatar battles. The series features a high-concept premise: students summon chibi avatars whose power levels directly mirror their exam scores to wage battle over classroom amenities and school hierarchy. Adapted into a multi-season TV anime series alongside original video animation (OVA) projects, the series is defined by its distinctive chibi character designs, dynamic action, and chaotic humor.

Summary:

After his class placement exam, Akihisa finds himself stuck in Class F, the lowest-ranked class in school. The classroom is crummy and his classmates are all doofuses--it's no place to learn. When honors student Mizuki Himeji is unfairly placed in Class F, Akihisa steps up to help the damsel in distress by proposing a Summon Test War against the elite Class A!