Smoke signal, additional notes is the fifth album by Akita-based rapper Rakan. This album was produced with the image of a sequel to his second album Smoke signal released in 2018, and includes "We Are AKITA!! - 2024 -", a new recording of the official support song for the J-League soccer club Blaublitz Akita with a band arrangement, "Runner Sweep", which sings of his love for baseball to the extent that he joined a professional baseball team's fan club, "I got a name", which describes his journey from when he started his music career to the present, "Pre-war Remix feat. D.A.1 (NEVER FADE)", "Feel on you feat. haruka (Hold Out Hope)", and other songs with guest appearances by artists who are part of the Akita band scene.