Ep. 4: Kasumi menjalin hubungan dengan Tae Hanazono di kelas, memicu kecemburuan Arisa karena absen latihan

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Kasumi is put in supplementary classes with guitarist Tae Hanazono, and the two become close. As Kasumi begins to skip practice with Rimi and Arisa to get private guitar lessons from Tae, Arisa begins expressing jealousy. Upon realizing Arisa is upset, Kasumi begins inviting Tae to Arisa's house, to her annoyance. Although Kasumi recruits Tae to join her band, she refuses. (Source: Wikipedia)