Aiko Okubo

Daichi Kakeru is a sixteen-year-old high school student who has never had a girlfriend. Little did he know that everything was about to change when he bought a melon soda on his way home from school. His first sip became his first kiss, as the can came to life in the form of a beautiful girl, whom he calls "Melon". The can is part of a government project called "Akikan", where certain empty cans turn into beautiful girls. (Anime News Network)

Directly following the TV series, this OVA follows Kazuma's friend Daigo and his interactions with the girls as the school festival approaches. Shortly before the upcoming festival, a year after the end of episode 12, Daigo decides to find a girlfriend to dance with at the festival. Will he be able to do so?