How many movies have Keiji Hirai and Kikuko Inoue acted in together?

They have worked on 3 movies together! Their first movie together was Air: The Motion Picture (2005) while their highest rated movie together was Halo Legends (2010). They have not worked together since Halo Legends (2010). They are most known for their animation films together.

Halo Legends (2010)

Role
Boatman (segment "The Duel")
Role
Han (segment "The Duel")

Metal Gear Solid 2: Digital Graphic Novel (2008)

Role
Others (voice)
Role
Rosemary (voice)
Role
Karen Hojo (voice)

Air: The Motion Picture (2005)

Role
Mounted warrior (voice)
Role
Uraha (voice)