Atashi wa Bambi

Yoshimura Mai was teased in middle school because of her looks so she gave herself a makeover before entering her new school. Now she has set out on a mission to change her life and the best way to do that is by finding a boyfriend. On her first day she bumps in to the perfect target and she starts to pursue him but she finds herself getting an unlikely rival.

(Source: ANN)

Included one-shots:
Volume 1: Kokoro Kirari (Shining Hearts)
Volume 2: Aiko de Jo
Volume 3: Survival., Kiite Kiite, Ouji