By the Grace of the Gods: Volume 7 by Roy
Ryoma, the boy from another world, takes the opportunity to revisit the Jamil estate, where his fellow merchants Serge and Pioro and a friends unexpected marriage are all converging. Ryomas happy to help the young lovebirdsprovided he can tear himself away from developing new uses for his slimes and expanding his business! Theres more familiar faces and laid-back scenes to come as well, of course, and a stalwart (if dubiously attained) new ally too!