Amazon is currently listing that Mikoto Yamaguchi and Mario’s Who Wants to Marry a Billionaire? (Tamarowa) manga will be the final volume of the manga.
The manga launched in 2013.
Yen Press published Yamaguchi’s Scumbag Loser manga in English in 2016.
Yamaguchi and Mario launched the manga on Kodansha’s Comic Days website in June 2019.