3 A.M., rain on the dead-hours store. A small old woman comes in out of the rain — Setsu, who tends a flower stall down the street in the same small hours Kaito works — sets a single potted plant on the bare counter, says only that it's too dark in here and it will do better than the ones outside, and is gone before Kaito can hand it back. The dramatic question, set by page two: where does a plant belong? A living thing has appeared in a room built for products, and Kaito — who has an exact place for everything, a shelf and a barcode and a category for every object that has ever entered the store — has no place for this one. It isn't stock: no price tag, no barcode, nothing in the system, so he can't sell it; it isn't rubbish and it isn't a customer's, so he can't bin it or return it. He declares quiet war on a single question and spends the entire dead shift trying to find the one correct place for the plant before the morning delivery, spiralling over whether anything that isn't for sale is even allowed to just exist in his store. All night he sets the pot down somewhere — a shelf among the stock, the cold window ledge, the steaming hot-food counter, the floor by the doors — steps back, judges it, and it is wrong every time, the identical dead-eyed beat of Kaito standing an arm's length from the pot, head tilted, muttering '...no,' and moving it again. A ladder of night regulars deliver flatly contradictory, unverifiable verdicts on whether a plant can live in a windowless fluorescent room at all: the tracksuit regular says nothing lives in here, not even the staff, it will be brown by winter; a drunk salaryman swears it is a fake, they are all fake now, and paws a leaf to prove it; a cheerful jogger insists these things are immortal, you literally cannot kill one, it will outlast the building. Rin films the whole vigil as 'Where Does It Go,' dry and unbothered, and has one flicker of near-sincerity late on — that the store is full of things only passing through, stock and customers and nights, and this is the first thing that has turned up meaning to stay. Near dawn, hollow and out of places, Kaito finally stops trying: he sets the pot down on the counter beside Rin's stool just to free his hands and turns away to the dawn tasks. That is exactly when the beat inverts — he glances back and there, in the one spot he did not choose on purpose, it looks exactly right, and he murmurs '...there.' It resolved the moment he stopped forcing it. There is no viral reveal and no trick: at dawn Setsu passes the storefront pushing a small cart of plants, nods once through the glass and does not come in, and Rin — without raising the phone, without a word about content — tips a little water from her drink into the pot and keeps it. The store has gained the first thing that is neither stock nor passing through; it simply lives there now, and Kaito, for once, gets the small correct answer and gets to keep it. The final page mirrors page one's exact counter angle in flat grey dawn: the counter that stood bare at the start now holds one small green living thing beside the two stools. A standalone filler that plants two seeds for a future arc — Setsu the night florist and the neighbourhood of night-workers she belongs to, and the shop plant as a new permanent fixture of the set.