Nagi Yanagi
The season uses six pieces of theme music: one opening theme, three ending themes and two insert songs. The main opening theme is by Nagi Yanagi. The main ending theme is " by Yukino Yukinoshita (Saori Hayami) and Yui Yuigahama (Nao Tōyama). The ending theme of the fourth episode is " by Yui Yuigahama (Tōyama), which also doubled as the insert song of the thirteenth episode. The ending theme of the seventh episode is "" by Yukino Yukinoshita (Hayami). "Bitter Bitter Sweet" is used as the insert song for the first episode and also performed by Hayami and Tōyama as their respective characters. by Yanagi is used as the insert song for the tenth episode.