Kumiko, a girl with absolutely no ambition, decides to change herself now that she has started her high school life and try to leave her hobby, playing euphonium in orchestra aside but she t... Read allKumiko, a girl with absolutely no ambition, decides to change herself now that she has started her high school life and try to leave her hobby, playing euphonium in orchestra aside but she totally cannot forget it anyway.Kumiko, a girl with absolutely no ambition, decides to change herself now that she has started her high school life and try to leave her hobby, playing euphonium in orchestra aside but she totally cannot forget it anyway.