Washio Sumi wa Yuusha de Aru Gaiden: Yuusha Koushinkyoku

A spin-off of *Washio Sumi is a Hero*, this comedic, slice-of-life story follows Sumi, Sonoko, and Gin as they embark on a journey to reunite a lost puppy with its owner. Later chapters include a radio episode titled *Washio Sumi wa Yuusha Radio*. The series continues with *Yuusha GP*, a crossover event featuring characters from multiple hero-themed series, including *Yuki Yuna is a Hero*, *Nogi Wakaba is a Hero*, and *Shiratori Utano is a Hero*.