Yuuki Yuuna is a Hero: Churutto!.

Set in year 300 of the Divine Era, heroes and shrine maidens were summoned after a crisis befell on the sacred tree. The Sanshuu Middle School Hero Club was transformed into a bountiful household with 27 of them gathered together. Headed by someone who has a strong sense of companionship, Inubouzaki Fuu, she is determined to make it a Hero Club Udon!