[ Working on a partnering math test was easy if Rui was a partner. Heck, that man IS literally a genius. ]

“ Fufufu. What an easy question. You may call it difficult, but its formula is a piece of cake. Yet, if you're not to want on solving, leave it to me. ”

[ The young alchemist was even a tranquil sweetheart too. Even alongside the tease and often overexaggerated eccentricity, he still has such one gentle heart of pure amethyst. ]