Sou: Uchiage Hanabi, Shita kara Miru ka? Yoko kara Miru ka?-hen  

爽「打ち上げ花火、下から見るか？横から見るか？篇」, Sou x Fireworks

A collaboration between the Lotte brand ice-cream Sou and the film Uchiage Hanabi, Shita kara Miru ka? Yoko kara Miru ka?.