A girl playing a euphonium in a park where Kogarashi blows "Ai" The sound was sad ... - "I have to do something about it ..." she looks up at the sky and decides. - She only has to put up with her. - Sad self-sacrifice for the national tournament and for the cute juniors. - Playing a nasty harmony with her baton as her baton, which has become hardened by being played with by adults. - Semen that is washed many times in the vagina of school girls. - With one thought, the curtain rises now.