|Japanese name:||黒田 光|
Her family owns a confectionery store and café, famous for its lemon custard pie. Hikari is good friends with Sekai and has an unreciprocated crush on Taisuke Sawanaga. Her birthday and his surname are derived from Kuroda Kiyotaka. Spoiler!In the anime, she grew out of her crush on Taisuke, and began having a sexual relationship with Makoto.
Voiced by: Ryōko Tanaka