Sumire Kousaka

香坂 すみれ

Age: 30 Occupation: Former Violin Instructor Wife of Mikio Kousaka. Akira's residential apartment neighbour from the floors below. [Spoiler] In the bonus chapter 22.2 it was revealed that the Kousaka's have survived and escaped from their apartment. She is now travelling with Mikio to fulfil their own bucket-list of "Places they want to visit before becoming a zombie." [/Spoiler]