紗々鐘帷

"It's a loss if you don't enjoy it. It's not bad to follow your greed once in a while."

He calls himself a "spider monster" and surprises Mashiro. However, he doesn't act or look anything like a monster, such as working part-time and renting an apartment. He's frivolous, but he's a loyal man who always keeps his promises.

Every time they meet, he makes fun of Mashiro.

One of Mashiro's love interests.