Shinta Fujimoto,the creator of Baccano! Manga, announced via Twitter last Friday that the manga is ending with the next chapter, which will be released on January 6. The manga is an adaptation of the light novel Baccano! of Ryohgo Narita and Katsumi Enami.

Fujimoto launched the manga in October 2015 in Square Enix’s Young Gangan magazine, while Narita launched the light novel series in 2003 with Katsumi Enami as illustrator. He announced in August that he is working on the final volume entitled "1935". In 2007, an anime adaptation was released.

Source: animenewsnetwork.com