Takao is perhaps best known for his manga adaptations of the To Hearttelevision anime, as well as its sequel To Heart Remember my memories. The original To Heart manga ran in Kadokawa's Monthly Comic Dengeki Daioh magazine from 1997 to 1999, while To Heart Remember my memories ran in the same magazine in 2005. ADV Manga released the manga in English. The anime that the manga adapts were themselves adapted from AQUAPLUS' iconic To Heartbishōjo game.
Takao also drew a manga adaptation of age's Muv-Luv visual novel in Monthly Comic Dengeki Daioh from 2003 to 2004.
Takao also drew original manga, which he mostly published in France Shoin's Comic Zip magazine. These manga include REIN (1998) and Chikyū Yōnenki no Owari ni... (2002).
Takao also drew adult works in Core Magazine's Manga Hot Milk adult manga magazine.
Source: Ukyou Takao's X/Twitter account