The Lines that Define Me Vol. 1 (Kodansha, 2022)

Sosuke Aoyama is a college student adrift on his own...until a chance meeting with suibokuga artist Kozan Shinoda brings him into the world of India-ink painting. But though he finds connection with the art and Shinoda himself, there's more to both the art world and Shinoda's family than Sosuke realizes...