By-the-book alchemist senior sister x fox with a black-sesame-paste heart
My master came back from his travels and tossed me a junior brother.
I'm a by-the-book alchemist. How am I supposed to raise a kid? I had no choice but to head to the library that very night to find a childcare handbook and raise him by the book.
My junior brother is sweet and well-behaved, though a little spoiled. On stormy nights, he turns back into his true form and snuggles into my arms.
But as he grew up, I noticed my junior brother kept circling around my furnace. That wouldn't do! How was he supposed to become independent like that?
So I decisively went traveling too, heading down the mountain. But the skies always seemed overcast, and I kept feeling a chill behind me...
Theme: Affection grows with time, like slowly boiling a frog