|Relatives||Ms. Sugihara, Ryōta Sugihara|
|Manga||0030. Road Disappearance|
Kayo Sugihara is Ryōta's grandmother.
Tanaka Alien Mission ArcEdit
On her way back home, she gets killed in a car accident from the same truck that killed Hojo and Suzumura. During the Tanaka mission she gets killed by the aliens by shielding herself to protect her grandson.
Abilities and PowersEdit