When I Repaired a Gal's Bicycle, She Became Attached to Me

Kutsuzawa Kousei is an introverted boy with zero friends. One day, as he was walking home alone just like always, he bumps into the class’s most popular girl, a beautiful gal sought after by every boy. After saving her from falling and repairing her bicycle, he plans to leave right away... but she looks at him with admiring eyes.