Sweat and Soap Vol. 6 (Kodansha, 2021)

Despite all the anxieties and obstacles, Asako and Kotaro's relationship has proven its staying power. Since deciding to move in together, they've found a home they both like, and a new chapter in both their lives has begun! But now that they've taken this adult step, there's an even bigger one looming further up the staircase… but can Asako even think about marriage without breaking a sweat?