Eri

Age: 22 Birthday: March 18 Eri is Mayuri's cosplay partner. Eri attended the same Middle-School as Mayuri. Eri is a sweet and considerate person, when she saw a young Ririsa at an adult event she gently asked her to leave after Mayuri confirmed that she was underage.

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Girlfriend of Mayuri Hanyuu as of chapter 161

(Source: 2.5 Dimensional Seduction Wiki, edited)