Marriage in Ikebukuro

I woke up to the sound of banging on my door. Inwardly groaning, I lifted my head and waited for it to stop. It continued on as if it wouldn't wake my neighbors. I sighed, rushing out of bed and opening the door.

"Oh? Celty? What's up?"

"You should come with me; I think it's best if you do." she typed on her keypad. I raised an eyebrow.

"Alright, just let me get changed."