Some of the doppelgangers insist that they are just like everyone other human, they just entered the world by different and unconventional means. L's doppel has never made any such claims, actually seeming to revel in his maliciousness button-pushing and insensitivity to sickening subject matter. The kick is something Lazarus believes fully that he deserves, and it's driven by the desire to put a stop to whatever all of this is. The dizzying volley of echoes is going too far, he can't even sort through all of them they're coming on so quickly. He's furious, breathless, shaking, but the second his foot connects, he's just made it worse for all of them. He's reeling in in horror before his doppel has even hit the floor, and he's covering his own face with his hands and hanging his head even as his doppelganger is scuttling warily away from him.

He couldn't agree more fully with Misa. He can't take more, either, and he's at the limit of his ability to weather it.

"Go..." he murmurs, gesturing toward the stairs rather than the door. He's not dismissing her, just begging for some space, just for the moment to give them both chances to recuperate before they subject themselves to more of this so quickly. "There are rooms upstairs, take whatever one you like, we'll... we can talk later, about this."