Grouptetsubou shounen3

(Kessoku Rock! 5) [Tetsubou Shounen (Natsushi)] Futakita Junengo Gainen (Bocchi the Rock!)

(C99) [Tetsubou Shounen (Natsushi)] TanMoshi Rakugaki-bon (Tantei wa Mou, Shindeiru.)

(SunFes 14) [Tetsubou Shounen (Natsushi)] Sonare (Hibike! Euphonium)