Just as Mavis would have offered Naoki a drink, Zeref descended the stairs leading into the main hall, a manilla folder in hand. The second floor of the building was usually off-limits to non-members, as they led to the Guild Master's private quarters and office, and the guild's personal library. Zeref, of course, was the only exception. His subordinates in Alvarez would never let him live it down if they were to hear about it, but he and Mavis had been living together for almost a year, now, ever since Mavis had taken the mantle of Guild Master of Fairy Tail once more. She was the First Master, and now... eighth? Ninth? How many times had Makarov tried to retire, only to take the title back again?

"Mavis, we need to discuss the--" he falls silent, seeing the... strangely bio-luminescent young man with her. "Oh, I didn't realize you were busy. I'm sorry."

Another new recruit, perhaps?