After Being Reborn, I Found Out That I Was Actually My Ex-Boyfriend's Brother

In order to push away the students, he was hit in the head by a billboard blown down by the strong wind, and he joined the embrace of the rebirth army. . . Just be reborn. Forget it if you are reborn just after the college entrance examination. Choose a university that is different from your previous life. As soon as you enter the school, you see your ex who you just broke up with. Forget it. Why is the handsome guy with glasses holding his arms around his ex's neck a top-notch guy in his amateur days? Forget it if he's a top-tier guy, you still call him brother. . . Well, in this case, there is no such thing as an ex. Hello, top class, I am your younger brother and sister-in-law.