FGO, episode 395. Who came to visit Tristan, who spends his usual carefree time ...?

FGO, episode 395. Who came to visit Tristan, who spends his usual carefree time ...?
Episode 395 of "Fate/Grand Order" "Today's Visitor" has been released. Today is also the house of Tristan, a carefree fairy knight. So, who ...... today's visitor?...

The linked article is in Japanese.