About
Eriko Nagai (永井 慧理子)
Eriko is Nagai Kei's younger sister. She's ill with an incurable disease and thus she spends most of her time in the hospital.
Eriko Nagai (永井 慧理子)
Eriko is Nagai Kei's younger sister. She's ill with an incurable disease and thus she spends most of her time in the hospital.
