Nationality: Japanese
Rank: 2nd Lieutenant
Affiliation: United Nations Force
TSF: Fubuki, Type-94 Shiranui

In Extra, Takahara is one of the students of class 3-D, playing in the lacrosse match against class 3-B alongside Akane and Asakura.

In Alternative, Takahara was a cadet as part of training squad 207A underneath Jinguuji Marimo, with Suzumiya Akane acting as squad leader. Takahara is later assigned to the Valkyries after completing the CCSE, graduating along with Akane, Haruko, Tae, and Asakura.