The Russian animator Evakoi through your account in Twitter Staff revealed that I participated in the animation of a scene for episode 18 of the anime Mushoku Tensei: Isekai Ittara Honki Dasu (d)Jobless Reincarnation: I Will Seriously Try If I Go To Another World).
https://twitter.com/evakoiani/status/1459959753321373698
The post says the following:
Along with others I made these scenes for Mushoku Tensei 18 (some of my scenes were cut, I think they will be included in the BD version)
After visiting his hometown, in the scene in question we can see Roxy Returning to the hotel where he was staying, but discover Elinalise dragonroad having relationships and ends up conjuring a spell that generates an explosion that can be seen in the distance. 
only that unlike episode 13, where we could see Elinalise having relations with a dark filter, in this scene only the reaction of Roxy And background sounds are heard.
A user asked the animator if he had worked on nude scenes, so Evakoi He replied with the following:
Yes, and you can’t even imagine how difficult it was to realistically animate the scene. You can imagine how angry I am that we only see them after four months.
Synopsis of Mushoku Tensei: Isekai Ittara Honki Dasu:
When a 34-year-old unemployed otaku, and with his life in a dead end, decides to change all this and make amends… he is run over by a truck and dies. Surprisingly, he is reborn in the body of a baby in a strange world of swords and magic.
His new identity is Rudeus Grayrat, but he keeps the memories of his previous life. Follow Rudeus from childhood to adulthood, as he struggles to redeem himself into a wonderful and dangerous world.
