The gang was in the living room of Ari's house. They're playing D&D. Wendy was the narrator.

Wendy: And the monster was......... Winry's mom! Ahahahahaha😂😂😂

Winry: You fool! She's your mom, too!

Wendy: Ahahaha....Oh 😲😲😲

The whole room was bursting with laughter.