Isekai Ojisan - 10 - Civility Only Comes After ... -

This episode explores the recurring theme of Uncle's perceived inhumanity in the fantasy world of Granbahamal, where his appearance was so poorly received that he was often mistaken for an orc or a monster rather than a human. Plot Summary

Only after proving his humanity—or being "seen as a person"—did he receive any form of civility, a stark contrast to the modern world where his social struggles are internal rather than based on his physical appearance. Anime Episode 10 | Isekai Ojisan Wiki | Fandom

: Takafumi's childhood friend and Sumika's younger brother, Chiaki, visits the apartment. Sumika's friend Sawae also arrives and, witnessing the group's eccentric behavior and "cult-like" offerings, becomes convinced that Sumika is being brainwashed or taken advantage of by Takafumi and Uncle.

The episode is divided between comedic misunderstandings in the modern world and Uncle's past memories of a hot spring encounter: