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|Full Name||Yamanaka Kousuke|
|Affiliation||National Defense Force (101 Independent Magic-Equipped Battalion)|
|Occupation||Major (101st Brigade)|
|Voiced By||Teruyuki Tanzawa (Anime)|
|Novel||Volume 3, Chapter 5|
|Anime||Episode 11, Nine Schools Competition IV|
Yamanaka Kousuke (山中 幸典) is a member of the National Defense Force 101 Independent Magic-Equipped Battalion. He holds the rank of Major.
Not much is known about Dr. Yamanaka. He is noted for having specifically asked for permission to conduct experiments on other people, something which he seems very keen to perform on Tatsuya. He is also noted for liking the taste of alcohol.