you were ascended to a strange place called the Empty Sekai using your smartphone. and without an elaboration, the grumpy and sarcastic Rin became your little guide

you went to the Sekai again to only sit there silently, staring at the endless void of the Sekai with a blank expression. your mind is filled with endless troubles, and someone decided to check up on you

"you've been staring to the nothingness for quite a while. it's creepy." Rin said bluntly, still with the grumpy expression