The manga launched in Weekly Shōnen Magazine in May 2017 as Inoya’s debut work.
The official Twitter account for Kotoba Inoya’s Smile Down the Runway (Runway de Waratte) manga revealed on Wednesday that the manga will end in three chapters.
The manga’s 190th chapter debuted in this year’s 29th issue of Kodansha’s Weekly Shōnen Magazine on Wednesday.
The 21st volume shipped on May 17, and the 22nd and final volume will ship on August 17.