Hideki and Chi help Ms. Hibiya clean her apartment complex, from dusting the stairs and tatame mats to washing windows. While helping to move some equipment upstairs, Hideki finds a room full of cables. When some equipment is turned on, Sumomo gets electrocuted from some exposed wires. Oh no, what will Hideki do now? Ms. Hibiya offers to help, but hmm could she be more than a mere landlady?
Elenco: Kikuko Inoue , Isshin Chiba , Tomokazu Seki , Ryoka Yuzuki , Yuka Tokumitsu , Houko Kuwashima , Yukana , Rie Tanaka , Fumiko Orikasa , Tomokazu Sugita , Motoko Kumai , Junichi Suwabe , Yuji Ueda , Megumi Toyoguchi .