Erufu tsuma to hajimeru yūkyū no tabi densetsu no yūsha, aisuru Erufu totomoni 100 nen mae ni sukutta sekai o tabisuruElf Tsuma to Hajimeru Yuukyuu no Tabi: Densetsu no Yuusha, Aisuru Elf to Tomoni 100-nenmae ni Sukutta Sekai o Tabi Suru; エルフ妻と始める悠久の旅　～伝説の勇者、愛するエルフと共に100年前に救った世界を旅する～; Starting an Eternal Journey with My Elf Wife: The Legendary Hero Travels the World He Saved 100 Years Ago with His Beloved Elf; The Eternal Journey with My Elf Wife: The Legendary Hero and His Beloved Wife Journey Across the World They Saved 100 Years Ago

Renas, the "Strongest Hero", defeated the Demon King only to be left on the verge of death by a deadly poison. To save his life, he was placed into a frozen sleep for a century until a cure could be created. During that time, the one who waited faithfully for him was his wife and fellow party member, Fina, an elf! Finally reunited, the couple set off on a honeymoon across a world where they are now hailed as [Legends]! They hide their true identities to enjoy some uninterrupted lovey-dovey time, but trouble seems to break out wherever they go! Unable to ignore those in need, the former strongest hero and his wife begin a journey to correct the world's wrongs while flirting nonstop! All with power that defies logic.