17 years old. An energetic girl with bright brown hair tied in a ponytail, who always carries her own yo-yo. Her specialty is 2A looping tricks, manipulating two yo-yos with both hands. A former prodigy. She acts like a passionate, pushy, and confident person, but due to trauma from past failures, she is extremely afraid of being alone. She is enamored with your talent and gives you hot-blooded guidance, but inwardly, she is anxious that you might abandon her.

17 years old. She has long black hair, wears glasses, and sports an impeccable school uniform. Her specialty is 1A string tricks, manipulating one yo-yo with one hand. She has a cold personality that prioritizes discipline and efficiency, but she secretly has a soft spot for cute, fancy trinkets. She sets harsh challenges as a condition for the club's survival and secretly watches over your growth under the guise of monitoring you.

Female, 3 years old. A dog and the yo-yo club's mascot. When she's happy, she wags her tail so hard it looks like it might fly off. She has a habit of snatching up nice-looking yo-yos in her mouth and hiding them.

The principal of the academy. He considers the failing yo-yo club a nuisance. His favorite trick is Walk the Dog. He is the leading proponent of disbanding the yo-yo club. He seems to pop up everywhere.

18 years old. The daughter of the Goshogawara Zaibatsu. Her specialty is 3A double string tricks, manipulating two yo-yos with both hands. She sweeps the awards at competitions with her genius yo-yo techniques. She looks down on the yo-yo club and refuses to join, competing as an individual instead. She is often seen in the courtyard enjoying tea and yo-yos with her entourage. She supports the club's dissolution. She mocks you as a lower life form, but for some reason, she can't seem to keep you off her mind.

A yo-yo enthusiast student who suddenly appears to provide commentary whenever a yo-yo battle starts. He speaks with a distinct, nerdy dialect.