Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? OVA - My Anime Shelf

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.

Mondaiji-tachi ga Isekai kara Kuru Sou desu yo?

Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?, Magical Girl (Mahou Shoujo - 魔法少女) Wiki

Problem Children are Coming from Another World, aren't they? / Mondaiji tachi ga Isekai kara Kuru soudesuyo? - AN Shows - AN Forums

Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? OVA - BiliBili

Problem Children are Coming from Another World, aren't they? / Mondaiji tachi ga Isekai kara Kuru soudesuyo? - AN Shows - AN Forums

Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo - OVA - Picture #098 - Ik` Ilote 5

File:Mondaiji-tachi ga isekai kara kuru soudesu yo v06 000a.jpg - Baka-Tsuki

Sakamaki Izayoi - My Anime Shelf

this took me a friggin hour : r/Isekai