Maki is shy and isn’t good at talking with Hoshino who works at the dentists’ front desk who is unfriendly, even though she can talk a lot in her mind, but cannot speak out loud. One day, Maki has a chance to talk to Hoshino, and she starts to like her little by little. When her cavity treatment is done, she won’t be able to see Hoshino anymore. Where will Maki’s romance be landing on…?