Saku's been able to skip the biennial company retreat every time so far, but not this year! While she's out, her cat Yukichi will be watching the house, of course, but how long can Saku go without Yukichi's meals and warmth? And while Yukichi appears nonchalant about sending Saku off, how does he actually feel? The messy office worker and skillful cat are spending their first night apart, and boy, are they in for a long one!