Эпизод 4

Ayame is revealed to be a wolf known as 'The Beauty of the Lake' who throws down a challenge to Sen. After barely escaping from the wrath of Ume, Ayame accompanies Yo and Sen to a bento brawl, where she and Sen fight for the same bento. As Sen manages to defeat Ayame and claim her bento, Yo finds himself against a tough opponent but manages to win in the end.