Lemon by Kenshi Yonezu. I’m also learning hiw to play it on a instrument. I’ll reaveal it if this gets 10 likes. I reccomed you to listen to it. Ill also list sokw of my other fav songs gurenge from demon slayer, Silhouette and bluebird which are both from Naruto, peace sign from bnha and shinzo wo sasageo from atack on titan.