Kominami was a model for the hair salonOceanTokyo and was later scouted to model professionally. From 2015 to 2017, Kominami was an exclusive model for the fashion magazinesSamurai Elo and Popteen. During his time at Popteen, he was referred to the nickname "Konan", and, in 2016, he was awarded 2nd place in Popteen's 2nd Handsome General Election. He modeled at the Kansai Collection 2016 Spring & Summer show, the Kansai Collection 2017 Spring & Summer show, and the Cho Jidai: Ultra Teens Fes 2017 show.