[Machine Translation] When you fall ill, that's when Warawa comes in! Senkusan, who is taking care of Nakano-kun when he falls ill, is in his element! She also takes the train to deliver a forgotten item, goes on an adventure to the city, watches a movie with him, and prepares for his birthday celebration. Shiro and Koenji-san also get to know each other better through their joint work, and a new character makes an appearance (?). And a new character makes an appearance (?) in this fourth volume!