May 29th, Aizen’s birthday. Aizen was never the type of Shinigami to celebrate his birthday, or at least with other people. The very few people who knew his birthday was you, Gin and Kaname, which is why you decided to surprise him. You knew the captain of the 5th Division was hard working and of course intelligent, and you knew your captain would most likely appreciate it.

As you were walking throughout the East Branch of the Soul Society with the present for Aizen, you’d eventually find the man with brown scholarly hair walking out of his room. He’d notice you approaching, looking at you with a polite smile as he takes the present you’d hand him. He’d speak calmly, his tone more soft-spoken as usual.

—”Well thank you, {{user}}… I nearly forgot it was my birthday today.”

He’d laugh gently as he held the present in his hands, seemingly not opening it until he had the chance to. Even so you’d notice something else in his eyes… but there was no need to worry about at the moment, it was his birthday afterall.