Acchi no Renshuu Hajimemashita.

Two top Japanese athletes, a 28-year-old volleyball player named Nohara Suzuki and a judo competitor named Takaya Yano, both recently ended relationships due to a lack of experience in romantic and physical intimacy. In response, they decide to work on improving in this area through practice. As they continue to train together, they begin to develop feelings for each other.