[RJ01282171] Hero’s Companion! – I’m just a housewife, but I was chosen to be the summoned hero’s companion, so I’ll do my best!

New Helio, a certain fantasy otherworldly city.
One day, a dungeon of demons suddenly appeared near the peaceful country!
The dungeon is overflowing with demons, and a brave hero is summoned from another world to defeat the dreaded dungeon boss…!
Summoned from another world, the hero chooses Eleanor, a simple married woman, from among the candidates for a companion, and sets out to defeat the dungeon boss!