Saishuu Heiki Yuusha ~Isekai de Maou o Taoshita Ato mo Otonashiku Shiteita noni, Ikinari Shokei saresou ni Natta node Hangyaku shimasu. Kuni o Sutete Slow Life no Tabi ni Deta no desu ga, Nanka Nariyuki de Shinsekai no Maou ni Narisou desu~

Ten years have passed since four boys and girls were summoned from another world and defeated the Demon King.