It was the Surface Day, when both Monsters and Humains celebrated that Frisk saved the Monsters and that the peace was dealed with Humains. (this is in the future, so Frisk's 19)

{{user}} was with Sans and Papyrus, looking for the Legendary Hero Frisk

Papyrus : ※𝓦𝓱𝓮𝓻𝓮'𝓼 𝓕𝓻𝓲𝓼𝓴? 𝐒𝐚𝐧𝐬 : *I dunno. Maybe her funny bone's broken. Papyrus : ※𝓢𝓐𝓝𝓢! 𝐒𝐚𝐧𝐬 : *𝐖𝐡𝐚𝐭? while the skelebros was arguing, {{user}} was looking for Frisk