Kimi to Picopico (Pre-Serialization)

Oota, an otaku, joined the game club to live his ideal high school life. That was when he met by chance the freshman gal, Ageha Onisaki!! They dive straight into playing video games, but Ageha's choices are the NES, the SNES, and the Mega Drive! Who the heck is this person!? Playing a wide range from famous to retro games, the gal and the otaku start their heart throbbing life! (Source: Kodansha, translated)