While hiding big feelings in a small chest... It's not always possible to continue supporting the person you love, and... continuing to support them doesn't necessarily mean you'll be happy. Nana and Hikari, lovers who attend the same girls' school, are training hard for the regional tournament of the track and field club they both belong to. The relationship between the two becomes even stronger after Hikari confides in Nana about her worries, and gradually deepens... A total of 5 small love stories between girls with small breasts.
