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

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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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.