The K-ON!! 2 anime opens with a bang, quite literally, as the girls' instruments mimic their repressed desires. Yui's bass, Ritsu's drums, Mugi's guitar, and Azusa's keyboard create a symphony of lust, their music echoing the wet, throbbing need between their legs. Uniforms are shed, revealing their school-issued underwear, the girls' moans blending with the melody as they touch themselves, their fingers dancing to the rhythm of their own pleasure. The room fills with the scent of their arousal, their music growing louder, more intense, until they reach a climax, their bodies shuddering in unison, their voices raised in a final, lewd chorus.