The 7th volume in the musical GL manga series!As Katagiri debates music school, she finds her "kindred spirit" in Nagahiko Sera, a jaded trumpet player from Hakubishi High School nursing a grudge against "nepo baby" Aikawa. Meanwhile, Aikawa struggles with Katagiri and her own complicated feelings. A birthday date with Hiyuuga promises clarity, but will jealousy over Katagiri's new friendship consume Aikawa first? As tensions rise, every heart remains out of tune...