Elf Tsuma to Hajimeru Yuukyuu no Tabi: Densetsu no Yuusha, Aisuru Elf to Tomoni 100-nen Mae ni Sukutta Sekai wo Tabisuru

Historia

Renas, the "Mighty Hero," defeated the Demon Lord but was left on the verge of death due to 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 the elf! Finally reunited, the couple set off on a honeymoon across a world where they are now hailed as "Legends"! They hid their true identities to enjoy more time together uninterrupted, but trouble seems to break out wherever they go!

Sinopsis vía AniList (en inglés).