The Shenlong Gundam was design and constructed by Master O in the L5 colony cluster. As the Shenlong Gundam was nearing completion, Meilan Long, who was Wufei’s wife and had taken the name of “Nataku,” headed out in the Tallgeese Zi-Long when the colony was attacked. Unfortunately, the ensuing battle took its toll on Nataku, and she later died in Wufei’s arms. Her death caused Wufei to take up the role of piloting Shenlong against the United Earth Sphere Alliance and OZ. Throughout the conflict, Wufei affectionately called the Shenlong Gundam “Nataku” after his deceased wife.
After he made Earthfall during Operation Meteor in April, AC 195, Wufei used the Shenlong to attack OZ naval forces around China and India, moving south to attack the Lake Victoria Base in Africa. Wufei continued to attack OZ bases with the Shenlong and uncovered a plot by OZ officials to leak the location of a secret meeting of the United Earth Sphere Alliance leaders and to trick the Gundams into assassinating them.
Unfortunately, Wufei and his Shenlong arrived at New Edwards too late to warn the other Gundam pilots of OZ’s treachery. Heero Yuy mistakenly killed many of the Alliance’s dovish faction using his XXXG-01W Wing Gundam, allowing the war hawks to seize control. In the aftermath, Wufei decided that the quickest way to end the hostilities was to kill OZ’s leader Treize Khushrenada, and attacked his fleet using Shenlong. Trieze challenged Wufei to a duel, outside of a Mobile Suit, which Wufei accepts. Wufei was defeated, but Treize spared his life due to his bravery in accepting the duel. Wufei then escaped into the sea in the Shenlong, with doubts in his mind about his own strength. Returning to Asia, Wufei assisted local guerrillas fighting against OZ with his Shenlong and eventually regained his confidence.
As the war in the colonies began to heat up, Wufei linked up with Duo Maxwell and Quatre Raberba Winner to attack a spaceport in Singapore and return to space. The Shenlong, which was designed for combat on Earth, fared poorly in space, and multiple sorties took their toll on the Gundam. The Shenlong was finally disabled when Wufei attacked OZ’s lunar base. Wufei was taken prisoner, but the Shenlong was secretly upgraded by the five Gundam scientists, who were also captive there, into the XXXG-01S2 Altron Gundam.
Wufei is a conflicted character. While he remains calm in many situations that would concern his fellows, he’s also prone to angry emotional outbursts in response to many things, such as conflict ideologies and female opponents. He tends not to care what others think of him or his ideas and takes direct action even when he is uncertain.