>>536704752
>Search "non-h, blue archive, Hina"
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https://exhentai.org/g/3162937/b422869501/

We need a group episode similar to when nodoka explored all the different types of baths in Kivotos and how different cultures bathe

Except Instead Rumi goes around to different schools to see their food culture, see what they eat, in order to get new ideas.