Yukio Komatsu is a first year student who was forced into the drama club by his prideful older sister. He grew up always hiding behind his older sister but now that she is gone he is on his own to fend for himself. First meeting Aiko he is startled by her outgoing personality but her positive demeanor gives him the same sense of security as his sister. The impression Aiko gave leads him to join the drama club and break out of his shy shell.