Yuki Yuna is a Hero - Churutto!

結城友奈は勇者である ちゅるっと！

Set in year 300 of the Era of the Gods, heroes and shrine maidens were summoned after a crisis befell on the sacred tree. The Sanshu 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, Fu Inubozaki, she is determined to make it an Udon Hero Club! (Source: MAL News)