Laila, a herbalist researcher, travels to the country of Kanista and becomes Ashlen's fiancée. One day, while living a smooth and happy life, Laila decides to go on a field research trip far away with Ashlen. Laila is excited about the overnight research trip, but a prince from a neighboring country named Elliot appears before her. The group is annoyed by the prince, who, despite being a classmate, views Ashlen with hostility and is overly close to Laila. ... At the same time, the gears of a "poison"-related incident begin to turn. Love is put to the test by these two people who rely on each other, in this agonizingly painful second volume of a research romance! [Original Web Novel](https://ncode.syosetu.com/n8891ib/) [Original Web Serialization](https://comicpash.jp/series/b45b9dc323a36)