|Dub Name||Nils Richter|
|Game Debut||Danball Senki (PSP)|
|Anime Debut||Episode 19|
|Appears in||Anime, Game, Manga|
|Voice Actor||Yuuki Kaji|
|Age||13 (Debut), 14 (W), 18 (WARS)|
|Relatives||Unknown parents (Deceased)|
|Occupation||LBX player, Test Player|
|Affiliation(s)||Innovator (former), NICS|
|LBX:||Judge, Liu Bei|
|Achievement(s)|| 2050 Artemis Finalist|
2051 Artemis Finalist
BC Extras Champion (w/Alice)
In the original series, Yuuya has a black hair with a shade of gray on both left and right side. His right eye is covered with hair. As Innovator's test subject he was seen wearing black suit or black and purple jumpsuit.
In the W series, he grew a long ponytail. He wears a green sweatshirt with white zip and stripes, black tank top underneath, black pants with red stripes and pair of green and white trainers.
In the WARS scetches, Yuuya is seen wearing green suit with beige jacket and orange scarf. His left eye is covered with hair.
Yuuya first debuted as an emotionless and obedient character in the first season. Due the Innovator's experimental influence, his character was to become a mindless drone. In his mental breakdown stage, he felt emotion for the first time showing his pique of loneliness from his sad childhood.
In the second serie, he shows his true personality in a fresh, friendly manner. Yuuya manages to retain his LBX player skills, prior to his Innovator training.
Yuuya's parents were killed in the Tokio Bridge collapse accident. After his hospitalization, he was taken away by the Innovators to be an experimental test subject; hence subjected to every experiment thought of to boost his performance. This continued for most of his life, and shown when talked with Hiro in W-Episode 26, he does not have any experience with the outside world and everything around him seemed new.
Yuuya was first debuted in a bio storage capsule, ready to be awakened for the mission to compete 2050 Artemis, obtain the Metanas GX and platinum capsule from Achilles. He entered in the tournament accompanied by two Innovator henchmen for the Innovator's white team to monitor his progress, as how also experimented at the same time. Although mindless, his skills were impressive due to numerous "testings" as his shooting skills with one Comman Handgun were precisely accurate.
During the final stages, he was test subjected in an experimental suit as the Innovator's new type of CCM. Before delivering a direct blow, a glitch in the suit's programming caused him to go into a mental breakdown, anniliating everything in his path until the suit's pulses damage his brain. With nobody else and his apparent "teammates" abandoning him, he was then saved by Jin Kaidou and Ban Yamano, which resulted in defeating Yuuya and putting him in a comatose state. During then, he was put into rehabiliation with Jin watching over him.
He first appears in episode 9, greeting Ban and Jin. Then he accompanies Takuya to join NICS, to fight alongside Ban and the others against the Innovators as repayment for saving his life. He, Ban and Jin form a team to infiltrate Omega Dain to investigate the secret behind the M Chip. But the mission failed as Yuuya was spotted by Kirito Kazama to challenge him in a match, ended with no conclusion as the securities spotted Ban and Jin, thus evicting them from the premises by Vice President Gardain.
For the Angra Texas Tournament, Yuuya was put in charge for mentoring Ran in training for the tournament. But the relation ship seems to conflict with Yuuya's teaching and Ran's personal fighting style and attitude. In the end, Jin replaces him as coach of Ran and it surprise him for the sudden change of Ran's fighting style. And though she lost, Yuuya is still happy and complimented about the changes.
In episode 26, Yuuya particpates in the BC Extras Tournament along with Hiro. He also develops an interest in cosplaying as a first liking to the outside world, since his secludement by the Innovators his whole life. But Hiro seperates with Yuuya and cooperate with Shirley instead, after that, Yuuya teams up with Alice, in order to get them pay for abandoning him and Alice. He and Alice have problem in team-work at first, but in rhythm afterward.
In episode 27, he and Alice fights with Otacross and Ota Red. When Otacross tells him that his cosplay isn't real, he remember his past as experiment and lost in thought, he thinks that the only thing inside him is nothingness and has no strength to continue the battle, which makes Alice change from her back-up position into attack and a defense position. She trys to console him, telling him that she doesn't know what happened to him, but knowing that his love for LBX is real. Yuuya wakes up after that, realizing how important an LBX is to him and finishes Otacross's LBX. He and Alice win and fights Hiro and Shirley in the final. He cosplayed as Liu Bei, together with Alice, he wins the final.
- His seiyuu Yuki Kaji also voices Fudou Akio from the anime Inazuma Eleven both of them have some similiar events in their pasts. And also did the voice of Ryubi Gundam in SD Gundam Brave Batlle Warriors, which shares the name of Yuuya's LBX Liu Bei.
- During his rehab, Jin was the one who paid all the medical treatments for him, and gave him his LBX, Liu Bei, as a discharge present.