By age 15, Nemoto began his study in music composition and horn.
[2][3] In 2004, Nemoto's composition "Annunciation for flute and harp" received an award at the International Music Tournament in Rome.
In 2007, Nemoto performed as a soloist at the Théâtre du Châtelet in Paris, France.
In 2018, Nemoto was a conductor for musicals such as Cendrillon[4] and Madama Butterfly with Ensemble Musica Nigella.
[5] From 2005 to 2015, Nemoto was a horn instructor at the Conservatoire de Musique in Cachan, Paris, France.