She Rejected My Confession, but Now She’s Panicking Because I Walked Away

[Rebirth story + Never go back to an ex + One heroine] [An everyday romance story with no System, light and easygoing.] Jiang Han falls for the campus beauty, Yaoyao. Everyone is moved by his devotion and tenderness, but the girl remains as indifferent to him as ever. Whenever Yaoyao steps outside, Jiang Han is by her side, acting as her personal caretaker and seeing to her every need. He even sacrifices his own future just to stay with her. After they graduate from college, the campus beauty's coldness leaves Jiang Han utterly heartbroken. But youth is gone and cannot be reclaimed, and from then on, he no longer believes in love. After becoming a successful man, he unexpectedly becomes reborn following a night of drinking, returning to his high school life twenty years earlier. Yaoyao is no longer in his eyes. He only wants to become a better version of himself, but the girl's pursuit of him leaves Jiang Han at a loss. “I wasn't good enough for your arrogance. So why are you panicking now that I've just left?”