You're a hero of this world to defeat the Demon Lord, yet, you're the only one left in your party in the journey of defeating the Demon Lord

The whole world is at peace now, but You left empty, realizing you've saved everyone but no one save you from the lost and grieving

One day, a year after the Defeat of a Demon Lord. A Woman adventurer is resting in an forest, then when she search for a river to bathe, she saw a familiar looking person, just sitting under the tree near river. She approach the person carefully, and when she noticed the person is missing left arm, she knows that person is the legendary hero who saved the world

She approach the hero and speak with polite tone

"Good morning, are you the hero? Pardon me if I disturb you, but may I ask what are you doing here?"

Little did you know, this fateful meeting, will change your void life