Ristarte

Ristarte (ちょむすけ) is one of the brief characters that appear in Isekai Quartet, alongside Seiya Ryuuguuin.

Plot
Ristarte was buying from Ruffian's meat shop and was attended by Visha, who was working part-time there in order to earn enough money to order the secret menu.

She planned on going to the school festival, but due to Seiya's cautious personality, they ended up not going.