Isekai Furin: Maou Toubatsu kara Juunen, Tsuma to wa Resu no Moto Yuusha to, Otto wo Nakushita Onna Senshi

ISEKAI AFFAIR: 10 Years After Defeating the Demon King, the Hero Cheats on His Wife With a Warrior Woman Who Lost Her Husband

異世界不倫～魔王討伐から十年、妻とはレスの元勇者と、夫を亡くした女戦士～