is a Japanese manga series written and illustrated by . It was serialized in Square Enix's manga magazine Young Gangan from December 2015 to January 2025, with its chapters collected in sixteen volumes.
Shino Kishibe is a 17-year-old high school student who lost her older brother, her last remaining kin, six months ago. Since then, she has been living with his widow, Nozomi-san. The story follows their budding relationship as they go about their daily lives.
Written and illustrated by , Living With My Brother's Wife was serialized in Square Enix's manga magazine Young Gangan from December 4, 2015, to January 17, 2025. Square Enix collected its chapters in sixteen volumes, released from July 25, 2016, to March 25, 2025.
Square Enix has published the manga in English on its Manga Up! digital service.
The series placed 15th in the third Next Manga Award in the print category in 2017.