Autumn is just around the corner, and itâs finally time for Forge Eizo to build a bathhouse! Blacksmithing is exhausting, sweaty work, so who wouldnât want a natural hot spring to soothe away the aches of the day? As the family begins construction, Eizo realizes he doesnât have a way to contact his friends outside of the Black Forestâitâs not like texting has been invented yet. Right on cue, Camilo proposes a solution to this problem, but it comes with a catch: Eizo must take in another apprentice. Enter Karen Katagiri from the Nordic region! Eizo prays that Karen doesnât press him about his fake backstory, but as he gets to know her, he canât help but feel that something is amiss... Are her intentions as pure as the steel she wishes to forge? Or will she thrust a dagger into the heart of Eizoâs family?