Strawberry 100% East Side Story

Junpei Manaka sneaks up to the roof to see the sunset. When he opens the door, he startles a mysterious beauty. She panics and runs away, but before not Junpei has caught sight of her adorable strawberry print panties... in EXTREME close-up. With that vision forever burned into his memory, Junpei embarks on a quest to find the girl, and the panties, of his dreams! 

(Source: VIZ Media) 

*Note: Includes three extra chapters.*