鹤皋月

客人。『影供之仪』参加者，由比薫的监护人。

摘自本作简介中该角色的段落

She acts as Kaoru's minder for the duration of the rite due to his age. She's also Kaoru's legal guardian together with her husband as his parents have passed on because of a car accident.

简介来自 VNDB

客人 『影供の儀』参加者、由比薫の保護者

简介来自 erogamescape