Watarirouka Hashiritai 7 (渡り廊下走り隊7?), formerly Watarirouka Hashiritai, was an AKB48 sub-unit. The group is a revival of the Onyanko Club unit Ushirogami Hikaretai. The group was also nicknamed "Warota" (ワロタ) when the name was being made, member Ota Aika described it as like a net slang for Waratta (笑った). Members would also mistake the nickname as "Wataro" (ワタロ). Members included Ota Aika, Nakagawa Haruka, Watanabe Mayu, Kikuchi Ayaka and Iwasa Misaki. Read more on Last.fm