Yuko Mamiya

Yuko Mamiya (麻宮裕子 Mamiya Yuko) is a former secretary in student council at Hijiri Academy.

Appearances

 * Tenshi Nanka Ja Nai
 * Chapter 1
 * Tenshi Nanka Ja Nai (OVA)
 * Tenshi Nanka Ja Nai Artbook