Mai Teireida is one of Okina’s servants. She used to be a normal human, but due to Okina’s power, she is one no longer. She has the ability to draw out people’s vitality by dancing behind them. She and Satono both dance and act according to Okina’s will.

Satono Nishida is one of Okina’s servants. She used to be a normal human, but due to Okina’s power, she is one no longer. She has the ability to draw out people’s mental energy by dancing behind them. She apparently appeared before Reimu and the others in a past incident.

The incident in the past was apparently caused by Okina wanting to find replacements for Mai and Satono. However, the two girls both thought the plan was to find more allies. Now that some time has passed, Okina has started to think that the two girls might want some sisters. Upon speaking about this to Yukari, she learned of the little sister contest soon to be held in Gensokyo.

Hearing that Yukari will be judging the Gensokyo Little Sister Contest, Okina thought it would be the perfect opportunity for the two girls to find some sisters. She was also confident that Mai and Satono would beat everyone with their cute combination. Okina was really eager to show off her two girls dancing…

However, when she arrived in Gensokyo on the day Yukari said the contest would start―it was already over! Yukari had told her the wrong date! Yukari received a letter of complaint from Okina the next day… Yukari herself paid it no heed, but Ran may or may not have written her a letter of apology…