Chikan Bus Keionbu -

Not a song. A beatdown.

For a second, the bus feels like a rehearsal room: tense, waiting for the count-in.

Ritsu looks up. Yui wakes. Tsumugi stops smiling. Chikan bus keionbu

Late evening. A crowded city bus, not a train. The last bus of the night.

“Chikan,” she whispers. No one hears. Not a song

Yui, the guitarist, is asleep against the window, clutching her Gibson copy. Ritsu, the drummer, is scrolling her phone, laughing at a meme. Tsumugi, the keyboardist, is politely offering mints to an old woman.

Ritsu cracks her knuckles. “One… two… three… four.” is asleep against the window

The Keionbu—four high school girls—are returning from a part-time live house gig. Their guitar cases are bulky, their blazers wrinkled.

The salaryman opens his eyes. Smiles. “Proof?”