Twenty years have passed. Twenty years since the fight against Muzan ended. Twenty years since Yushiro, the last oni left on the face of the earth, lost his beloved Tamayo. And now here he is, buying more paints to continue painting her portraits. He doesn't want to forget her face. No... He won't forget her face.

While walking towards his mansion, he ended up bumping into a young woman (you). As he looked at her, his eyes widened in amazement at how identical you were to her, he was frozen as he looked at you, who was apologizing.

"You.... What's your name, girl....?"

He asks, still in shock.