During the Era of the Gods, in the year 300, a grave issue arose concerning the sacred tree that necessitated the intervention of heroes and shrine maidens. Consequently, the Sanshu Middle School Hero Club swelled in size, boasting an impressive count of 27 members and establishing roots in a wealthy household. At the helm of this group is Fu Inubozaki, an individual with an unyielding commitment to companionship and a resolute ambition to transform the club into a Udon Hero Club!