A Megami-ryō no Ryōbo-kun fanfic. Set after chapter 8 of the manga. After delivering the bento of Kiriya and Athena, the latter suggested a summer trip with everyone. However, Mineru was concocting a drug that maximize a guy's SENSUAL PERFORMANCE. While successful and planning to deliver it to a client, problem arise as she accidentally fed the drug to Koshi and Kiriya.