Megane, Tokidoki, Yankee-kun

Hiro Momose enters high school wanting one thing: a peaceful life far away from the delinquents who made her earlier school years miserable. Because every student must join a club, repeated rejection leaves her in the nearly defunct Helper's Club, whose only member is Dan Ichikura.

Ichikura appears to be an ideal student, dependable, athletic, and academically strong, until Hiro learns that he was a notorious delinquent in middle school. He insists that he has changed and asks her to keep the past secret, even though old instincts still surface whenever trouble starts. Hiro finds herself spending time with exactly the kind of person she wanted to avoid and slowly learns that a rough past does not always define who someone is now.