The City in his Blood

Inside every human body lies a kingdom no ordinary healer can see.

Mina Vale has failed as a healer's apprentice, but when her beloved brother Ren falls into a deadly fever, she refuses to stand beside his bed and wait for the bells of death. Desperate to save him, Mina risks an illegal descent into his living body - and discovers a breathtaking hidden world beneath the skin.

There, blood flows like a crimson river. Organs rise like ancient cities. Bones stand like towers. Immune cells march ...