Watarirouka Hashiritai (渡り廊下走り隊 Watarirōka Hashiritai, Team Running Through Corridors) is a Japanese pop girl group originally consisting of five members from AKB48: Mayu Watanabe, Aika Oota, Natsumi Hirajima, Haruka Nakagawa and Ayaka Kikuchi. Under Pony Canyon, the group debuted in January 2009 with a double A-side single, "Hatsukoi Dash/Aoi Mirai."
