Born into a prestigious family of master swordsmen, Elymas Edvaughn's future shatters when he awakens the so-called "defective" Heavy Knight class. Disowned and cast out, he regains memories of another life—and realizes this world mirrors a VR game he once mastered. Armed with knowledge no one else possesses, he sets out to rewrite his fate and prove the strength of the "weakest" class.

Komura starts his school year with a new seat neighbor in homeroom—the bespectacled Mie. Before long, he's nursing a raging crush on his quirky classmate who's always forgetting her glasses! While this might be ideal for Komura to get to know Mie better, will his poor heart give out from the daily strain of being up close and personal with the girl he likes?!