Coil - A Circle of Children

Isako's Hospital Room (1x16)

:

For their research project, Haraken and Fumie find early records of dennō users who have passed out and reported hallucinations of "the other side". Meanwhile, Yasako spies on Isako as she visits her comatose brother. Deducing that he is 4423, Yasako confronts Isako with her realization that she has met her brother years ago.