Yuusuke Otamaya is a second-year student at Sakimori Academy in the neutral country of JIOR. He leads the Boys’ Culture Club and later serves as the Minister of Education, Culture, Sports, Science and Technology in the new JIOR Cabinet. Though he is timid, Yuusuke is extremely knowledgeable about machines, especially military ones, and is known for spending time with his fellow otaku friends. Despite his nervous nature, he shows dedication and skill when the situation calls for it, helping restore vital systems and working as a Valvrave maintenance crew member. Yuusuke develops a deep friendship with Raizou Yamada and values the bonds formed through hardship and battle.
Yuusuke Otamaya is a male student who appears typical for his age, fitting in with his classmates at Sakimori Academy.
Yuusuke is shy and easily startled.
He gets nervous in dangerous situations, once even suggesting surrender when the academy was isolated by world events.
He is cautious and sometimes scared, but these moments make him more relatable and realistic.
Though timid, he is passionate about machines and enjoys spending time with friends who share his interests.
When others need his help, he steps up bravely even if he is scared inside.
Yuusuke belongs to the second grade at Sakimori Academy, located in JIOR.
He is the leader of the Boys’ Culture Club and later becomes the Minister of Education, Culture, Sports, Science and Technology in the newly formed JIOR government.
Before the academy declared independence, Yuusuke once peeked into the girls’ changing room, which led to him knowing a lot about the school’s structure, including the ventilation system.
Yuusuke has extensive knowledge of machines, especially those used in the military.
He is also good at restoring broken-down systems, making him valuable during technical emergencies.
He works as Takumi Kibukawa’s assistant to help with Valvrave maintenance, earning compliment from Takumi for his talent.
Yuusuke is close to his otaku friends, Seiya Uesugi (voiced by Naruyuki Suzaki) and Tooru Miyamachi (voiced by Takuya Masumoto).
He forms a strange but strong friendship with Raizou Yamada after helping restore the climate control system.
He cares about the friendships he gains during tough times, especially valuing his connection with Raizou.
Yuusuke is familiar with the school’s air duct and ventilation system because of his past mischief.
He often shouts out model numbers and machine names excitedly, even during danger.
He was chosen as Minister of Education, Culture, Sports, Science and Technology in the new JIOR Cabinet.
“You have a bad habit of forgetting to defend yourself.”
Club Member and Leader
As a member and leader of the Boys’ Culture Club, Yuusuke spends time playing and exploring with his otaku friends.
He cares about technology and enjoys discussing complex machinery.
Becoming a Key Figure in Crisis
When the Dorssian Army invades JIOR, Yuusuke shows his knowledge by calling out model numbers and taking pictures, even in the heat of battle.
He helps restore the academy’s climate control system, even though he is dragged into it by Raizou Yamada.
Yuusuke proves himself dependable in dangerous times.
Engineer for Valvrave
Yuusuke later assists Takumi Kibukawa as a crew member maintaining the Valvrave robots.
Takumi praises Yuusuke as talented and quick to learn.
Friendship through War
In Valvrave the Liberator 2nd Season, Yuusuke continues to work with Haruto Tokishima and the others as part of the maintenance crew on their mission to Earth.
He learns Haruto’s true nature and doesn’t treat him any differently, showing his loyalty.
Before the operation to reclaim Module 77, Yuusuke worries about Raizou, who has become a close friend after fighting together.
Final Battle and Meaningful Advice
Before the last battle, Yuusuke attaches a shield from Unit V to Unit III for Raizou, warning, “You have a bad habit of forgetting to defend yourself.”
Raizou later gives his shield to Akira Renbokouji and loses his life because he didn’t heed Yuusuke’s advice.
Ironically, those words come back to impact Q-vier, who defeats Raizou, in an unexpected way.
Yuusuke’s excitement for machines and his reliable nature shine in both everyday school life and in the middle of chaos.
His journey is filled with moments of fear, courage, friendship, and technical genius, making him an important supporting character in the Valvrave the Liberator series.
💬 Community Discussion
Talk about this anime with people who actually care.