Spitz has been announced as the artist behind the theme song for the upcoming TBS drama 'T-Shirt ga Kawaku Made,' premiering on July 10.

Starring Yuu Aoi, the original drama follows two married couples whose lives become intertwined after an accident, uncovering hidden secrets and testing the bonds of love. Additional cast members include Ayumu Nakajima, Fumiya Takahashi, Kaho, and Kenichi Matsuyama. 

Spitz wrote a brand-new song titled "Mishiranu Ito" for the drama. It marks the band's first original drama theme song since "Yasashii Ano Ko" for the NHK morning drama 'Natsuzora' in 2019, and their first theme song for a TBS drama since "Haruka" for 'Love Story' in 2001.