A student tries to fix a problem he accidentally caused in OZ, a digital world, while pretending to be the fiancé of his friend at her grandmother's 90th birthday.

Director: Mamoru Hosoda

Cast: Ryunosuke Kamiki, Nanami Sakuraba, Mitsuki Tanimura, Sumiko Fuji, Ayumu Saito, Takahiro Yokokawa, Kiyomi Tanigawa, Mutsumi Sasaki, Mieko Nobusawa, Takuya Kirimoto, Sakiko Tamagawa, Ichiro Nagai