Takase Wakaya

The 5th arc of the Re:Zero kara Hajimeru Isekai Seikatsu manga. Subaru and Emilia receive an invitation to a party from Anastasia and decide to go to Priestella, the city of the watergates.

When Shuu Abe, a 23 year-old hospitalized man, wakes up, he finds himself in a strange underground world rampant with monsters he has never seen before. In front of our puzzled protagonist, appears a talking chipmunk who's a girl(?) called Tamiko. "Mister Hunter, let's squeak on to the surface together!" Says she as the two decide to work together to achieve their goal of escaping the labyrinth...