This Ichiruki♥ photo contains
business suit.
There might also be
well dressed person, suit, pants suit, pantsuit, sunglasses, dark glasses, and shades.
Watch this and Rukia's "Echo". It's like they're singing to each other. After all, it's said to be a reply to Rukia's song.
Let's hope that the unchangeable word is, "I love you, Rukia."