Dai Himi (氷見 大 Himi Dai) is the leader of the Antarctic Challenge Foundation's construction group in A Place Further Than the Universe. Dai is close friends with Toshio Zaizen. The two are often seen together. Dai is a fan of Yuzuki, and is seen listening to her album, which he gets her to autograph before she leaves. He also wishes Yuzuki good luck in her new acting role.
- The name Dai means "big, great" (大).
- Dai's surname Himi means "ice, hail" (氷) (hi) and "to see" (見) (mi).