Haruhiko has been told by Kyotarou that he and Nao, a young elementary school boy whose mother passed away and is being solely cared for by his father Hirofumi, are in a relationship. Kyotarou is concerned about Hirofumi catching them together and thus wants Haruhiko to join them on their outings to hide their love. Haruhiko is initially hesitant but eventually agrees and unexpectedly finds himself falling for Hirofumi. Additionally, the story features a one-shot called "Love Training."