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.
Problem children are coming from another world, aren’t they? OVA, Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?: Onsen Manyuuki, Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? OVA, 問題児たちが異世界から来るそうですよ? 〜温泉漫遊記〜