Ep. 3: Takeru se une al comité de seguridad tras presenciar un duelo y asistir a un evento de onsen de baño mixto.

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Takeru walks in on Haruko showering in the bathroom this time. To mollify her at school, he asks about the security committee. As the vice president of the student council, Haruko explains that the leadership committee is divided into the security committee and the magical enforcer committee (madou shikkobu). Takeru learns that the mission of the security committee is to ensure the fairness of duels and to protect the duelers. During a duel at the school track, Azuki uses her Maken, Hawk, a mechanized boot, in order to defeat hopeless romantic Kai Kuragasa, who uses his Maken, Full Metal, which makes his body as hard as steel. Takeru commits to joining the security committee, but Kengo and Inaho also join for their own reasons. A welcoming party for new club members is held at an onsen in the mountains with provisions for mixed-bathing, requiring all members to wear a swimsuit. Despite formal introductions, this does not stop Takeru and Kengo from ogling their cohorts. An intrusion of a bear provides the opportunity for the leadership committee members to show off their abilities and demonstrate the spirit of the magical security organization, or Maken-ki for short. (Source: Wikipedia)