Takashi Yanase
Each station on the Asa Line features a cartoon mascot character designed by Takashi Yanase, a local cartoonist from Kōchi Prefecture. The mascot for Akaoka Station is an artist holding two paintbrushes named , recalling Hirose Kinzō, a Japanese painter who lived in Akaoka at the end of the Edo period. A display of figurines of the various station mascots on the Asa Line is located under the elevated structure at Akaoka Station.