Death Note, Vol. 4

Tsugumi Ohba (Japanese: 大場 つぐみ, Hepburn: Ōba Tsugumi) is the pen name of a Japanese manga writer, best known for authoring the Death Note manga series with illustrator Takeshi Obata from 2003 to 2006, which has 30 million collected volumes in circulation. The duo's second series, Bakuman (2008–2012), was also successful with 15 million in circulation. In 2014, Ohba collaborated with My Little Monster creator Robico for the one-shot "Skip! Yamada-kun". Another series with Obata, Platinum End, was serialized in the monthly Jump SQ from November 4, 2015, to January 4, 2021.