On Valentine's Day, Mai has to meet up with her dad and wants to make a chocolate cake. However, Mai is not good at cooking and struggles many times to make a cake. At that time, a negative jeweller appears before Fuuka and the others who were buying chocolate at a venue, customers turn into negative jewellers one after the other. Can Miracle Tunes tune up and welcome Valentine's Day!?
| Name | Type | Role | |
|---|---|---|---|
| Kana Matsui | Writer | ||
| Takeshi Yokoi | Director |