Also known as
- Romaji
- Natsu-iro Kiseki: 15-kaime no Natsuyasumi
- Japanese
- 夏色キセキ ~15回目のナツヤスミ~
- Synonyms
- A Summer-Colored Miracle: Our 15th Summer VacationA Summer-Coloured Miracle: Our 15th Summer VacationNatsu-iro Kiseki OVANatsuiro Kiseki OVANatsuiro Kiseki: 15-kaime no Natsuyasumi