Philosopher Hiroki Azuma praised the depiction of her room, saying that, "Rei's solitude is grounded in a completely tactile substantiality that gives us extremely realistic images of the discommunication that children of the present face". Animator Yūichirō Oguro also expressed appreciation for the character design, the animation and the work of chief animator Shunji Suzuki.
Philosopher Hiroki Azuma appreciated the way Rei's room was portrayed, emphasizing its sensory quality as a key factor in creating realistic images of the disconnection children today experience. Animator Yūichirō Oguro and chief animator Shunji Suzuki also praised the character design, animation, and overall work.