"Akaya, you better not have lost your key!"

Two warring impulses, either Yukimura can push his boyfriend off the bed and pretend they weren't cuddling or he can defiantly claim before his errant kouhai and everyone else that Marui is his, and everyone else can accept it or die.

But he needs a minute to figure out which is the best course of action, so until then, he tries to scare Akaya into stillness.

"Sanada's going to have to hear about this!"