The story follows two teenagers, Ikuto Tsumura and Chiyuki Fujito, who both have dreams of making it in the fashion world despite their circumstances.

An opportunity arises when Hazime Yanagida notices Ikuto's skill at sewing, offering him a part-time job at his fashion studio.

They are joined by the famous but shy model Kokoro Hasegawa, who has a height complex, and prodigy fashion designer Toh Ayano, who considers Ikuto to be his rival.

[60] It aired from January 11 to March 28, 2020, on the Animeism programming block on MBS, TBS, and BS-TBS.

[66] Smile Down the Runway received a novelization by Yūki Arisawa, titled Ranwei de Waratte 158cm Moderu, Parikore e!