My First Girlfriend Was Taken Away by the Bully Who Moved in Next Door

A Japanese college student finally finds happiness after getting his first girlfriend. She is kind, beautiful, and seems too good to be true. But everything changes when the bully who used to torment him moves in next door. As old fears return, his once-perfect relationship begins to fall apart, leading to a dramatic NTR story filled with betrayal, emotional conflict, and heartbreak.