· 2017 · 1h 43m Hello! Project 2017 Summer ~HELLO! GATHERING~ ✓ Seen + Watchlist ↗ Share Director Cast Mizuki Fukumura as Erina Ikuta as Haruna Iikubo as Ayumi Ishida as Masaki Sato as Haruka Kudo as Synopsis Hello! Project concert held at Nakano Sunplaza Hall. Key Collaborators Follow the Thread Agent-readable
