Something's Wrong With Us Vol 10

From the Kodansha edition

A spine-chilling and steamy romance between a Japanese sweets maker and the man who framed her mother for murder -- Something's Wrong With Us is the dark, psychological, sexy shojo series readers have been waiting for! A HEATED HOT SPRING STAY Once, Tsubaki and Nao were lovers, but that ended in tragedy. After three years apart, they reunite as enemies, and Nao is determined to take over Kogetsuan as the rightful heir. However, the pair are forced to set their bitter feelings aside when they are brought to a hot spring resort to make wagashi. Old feelings begin to surface when Tsubaki and Nao are caught in close quarters. Yet, a revelation from Shiori threatens to upset the delicate situation…

Source: Penguin Random House API