"I read something about spawns of Octavia growing rather violent when they are sixteen winters old." Agatha murmured. "Old texts say this is due to the Goddess Octavia's former lover and God of Navigation being killed by the twin trickster Gods. Octavia had grown vengeful yet she could not take vengeance. However, I recall the text also stating her God brethren bid her to wait sixteen winters and summers so her anger could be lessened. Though I am not sure if this is the case."
Webnovel 
Ah this is actually pretty good. Not sure if others noticed but I'm sure it was in the first few chapters where Fiona asked about her age and their was even a whole moment of Fiona talking to her father about a phase Mikoto would go through. For an isekai this is pretty good foreshadowing. Keep it up Author, also will you be returning to the gang back at the Academy?
"I read something about spawns of Octavia growing rather violent when they are sixteen winters old." Agatha murmured. "Old texts say this is due to the Goddess Octavia's former lover and God of Navigation being killed by the twin trickster Gods. Octavia had grown vengeful yet she could not take vengeance. However, I recall the text also stating her God brethren bid her to wait sixteen winters and summers so her anger could be lessened. Though I am not sure if this is the case."
A Journey Unwanted
Fantasy · PocketCat2