Summary
Barnett’s Mansion is a 2025 Korean webtoon written and illustrated by Gu Isa, published by MrBlue. It blends drama, polyamory, and yaoi themes in a mysterious, emotionally charged setting.
Set in a grand mansion in the heart of the city, the story follows Cornell, who has lived there with Brother Barnett and others he helped raise. On Barnettâs twentieth birthday, Cornell decides to leave, believing the others are now grown and independent. But as he tries to say goodbye, he experiences a strange shiftâboth emotionally and physicallyâand realizes his body is no longer the same. The mansion, once a place of care, becomes a space of unsettling transformation and entanglement. The haunting line: âNow the three of us will be together in this mansion foreverâ hints at a psychological twist