Happy Sepia - Stardust Telepath Extra: Ephemeral Sister

[MangaDex]

 

[Hikineet]

Thanks for the chapter.

 

[Ooshi_Somen]

I've never seen a Manga have its extra be about characters from an unrelated series

 

[Yuiko]

When we finally got an insight on what Hona's thoughts about her sister but it's from a different manga.