Hiyo is a high schooler who finds it difficult to convey her feelings due to her serious disposition. Nonetheless, she is an ardent admirer of Ayamorin, a well-known wutuber who is adored by everyone for being expressive. Hiyo's life takes an unexpected turn when Ayamorin unexpectedly changes schools and sits beside her in class, as well as living next door, inundating her with a level of thrill beyond her tolerance.