After graduating from high school, Natsume finally finished paying off the names in the Book of Friends. Teacher Mewmew still stayed by Natsume's side despite her lack of integrity. One person and one cat opened a hot spring hotel in Karuizawa. Gintoki was kicked out by Toshi's mother-in-law for defaulting on the rent and went to work part-time at an old friend's hot spring hotel to repay the rent, but for some reason he ended up in Natsume's hotel. A tender encounter begins here