Tomomasa Takuma is a Japanese manga artist born on July 16, 1972, in Nara Prefecture, Japan. He decided to pursue a career as a manga creator in 1988, citing Shirow Masamune's influential series Apple Seed as a key inspiration. Takuma began his professional journey in 1995, working as an assistant to manga artist Masahiko Nakahira, known for works such as Street Fighter and Hakaima Sadamitsu. He launched his first serialized manga the following year in 1996.

Takuma is best known as the illustrator of the manga Kurogane Communication. The series was written by Hideo Kato and serialized in MediaWorks' Dengeki Daioh magazine in 1997. The story is set in a post-apocalyptic world where a young girl named Haruka is the sole human survivor living alongside a family of five robots. The chapters were later compiled into two tankōbon volumes published by MediaWorks in September 1998. Beyond the manga, Takuma is credited as an original creator for the 24-episode anime television adaptation of Kurogane Communication, which aired from October 1998 to March 1999. He also provided illustrations for a two-volume light novel series based on the property, written by Mizuhito Akiyama and published under the Dengeki Bunko imprint.

While his work on Kurogane Communication is a significant credit, Takuma has contributed to numerous other manga series, frequently as an artist collaborating with different writers. His other notable manga adaptations include Record of Lodoss War: The Grey Witch, Train+Train, and several titles set in the Code Geass universe. For Code Geass, he provided the artwork for Nightmare of Nunnally, a five-volume series published from 2009 to 2010, as well as Code Geass: Renya of the Darkness, which was written by series creator Goro Taniguchi. He also worked on the manga adaptation of Captain Corinth: A Galactic Navy Officer Becomes an Adventurer.

In addition to his role as an illustrator, Takuma has also created his own original manga as both writer and artist. One such work is Frame Saber, a three-volume series published in 2007. The story involves immaterial entities known as Sabers that possess host bodies to protect the world by exterminating beings called Frame Users.

Throughout his career, Tomomasa Takuma has demonstrated a particular affinity for blending science fiction and fantasy elements, often incorporating mecha designs and post-apocalyptic settings. His artistic style is noted for its detailed world-building, which effectively renders the expansive sagas he adapts, ranging from epic fantasy like Record of Lodoss War to the complex political and mecha-driven narrative of Code Geass. His body of work establishes him as a reliable and skilled manga artist capable of handling major franchise properties while also developing his own original concepts.