· 2015 · 1h 58m Hello! Project 2015 Summer ~CHALLENGER~ ✓ Seen + Watchlist ↗ Share Director Cast Mizuki Fukumura as Erina Ikuta as Riho Sayashi as Kanon Suzuki as Haruna Iikubo as Ayumi Ishida as Synopsis Hello! Project concert held at Nakano Sunplaza Hall. Key Collaborators Follow the Thread Agent-readable
