Our Dating Story: The Experienced You and The Inexperienced Me, Kimizero

Ryuuto Kashima is a high school student with a somewhat gloomy personality. As a result of a punishment game, he found himself confessing to Runa Shirakawa, a popular classmate who's admired by many. Their initial relationship was unexpected, but Ryuuto's observations of Runa's interactions with others, including a handsome soccer club member, reveal differences between them.