Mondaiji-tachi ga Isekai kara Kuru Sou desu yo?: Onsen Manyuuki

問題児たちが異世界から来るそうですよ? 〜温泉漫遊記〜

Izayoi, Asuka, and You have been invited to participate in a Gift-Game at a hot spring village to help the small community there find a new water source. OVA bundled with the eighth volume of the light novel.