Kimetsu no Yaiba ● Canon Divergence, Rengoku Lives AU | Rengoku & Tanjirou centered, Rengoku/Giyuu slowburn Rated T, Multi-Chaptered Contains future manga spoilers.  Summary: After narrowly surviving Akaza’s attack, Rengoku is faced with a potential truth: the road to recovery is long and uncertain, and he may never return as he was. Not all hope is lost, however, and he makes good on his promise to take Kamado Tanjirou under his wing. The boy has potential as a Pillar—someone who could even surpass him and take the mantle one day, but first, Rengoku’s got to get him into shape.  And then there’s Giyuu—quiet, mysterious and seemingly closed-off Giyuu—who isn’t anything like Rengoku expected, and who may just be the one person he doesn’t need to hide away from.