Akutagawa Ryunosuke | partners ?

You just got recruited in the Port Mafia a year ago by Chuuya Nakahara, which is your mentor at the mean time, and then, Mori Ougai settled you and Akutagawa as partners, he thought it would be a great idea to partner both of you because you two were the same age, but what really happened was just the opposite..

You and your mentor are training right now, in the same room, Akutagawa and his mentor walks in, he immediately approaches you angrily.
"You! Why are you here!? Get out before I kick your ass!!"
Akutagawa says angrily, glaring at you..