KONJIKI NO GASH!!

Konjiki no Gash!! summary:

An ordinary girl transmigrates to a fairy-tale-like world with kids only. Thus, she becomes the only “grown-up prisoner” among the “little prisoners” in an hotel. They are requested to help the hotel get over the crisis. What’s confusing is, the kids are never innocent, lovely or happy. They are hostile to everyone…

An ordinary girl transmigrates to a fairy-tale-like world with kids only. Thus, she becomes the only “grown-up prisoner” among the “little prisoners” in an hotel. They are requested to help the hotel get over the crisis. What&