[ What? This living room is the size of a closet to Hong Lu? Yi Sang blinks owlishly at that information. The intricate details of each Sinners' lives were a mystery to everyone seated on Mephistopheles. All that was known of Hong Lu's background was that he hailed from a Nest and spent his days in a lavish estate, and that his older brother was intent on killing all of them.

...perhaps his closets truly were the size of apartment living rooms.

Yi Sang pauses in his work once he begins to consider Hong Lu's question, allowing a piece of glass to tumble from his fingers into his palm. ]

There are several answers that come to mind. Perhaps it is your vision that ails you, causing those dots to appear as if they are moving. If you have failed to consume a meal within a reasonable amount of time, the fatigue will cause your sight to blur. However, the likeliest explanation is that your eyes are attempting to focus on different targets, and each image perceived by each eye has overlaid itself. Your brain repeatedly attempts to seek a dot to focus on. That cycle is, I believe, what you are describing to me. The ceiling remains still, as do you, but you may feel as though the dots on the ceiling are shifting.

[ ...there must be a more succinct explanation. ]

Your eyes are... becoming confused. That is all.

[ Yi Sang's hands move again, dropping another shard into his hand. ]

Has that answered your question?