Anya Dostoyevskaya, an aspiring Undine of the Orange Company, feels disheartened when she discovers that her gondolier mentor, Alice Carroll, is spending little time with Alice’s own mentor, Athena Glory. Athena, an Undine who became an opera singer, has been trying to set up a meeting with Alice, but Alice appears to be avoiding her for reasons that remain unclear. In an effort to resolve this situation, Anya enlists the help of her fellow Undines, Ai Aino and Azusa B. McLaren. As the three work to reunite Alice and Athena, Anya comes to understand her seniors’ feelings more deeply, which may prove to be the key to clearing up the uncertainties between them.