Letter of Farewell.
Yurika is stabbed in the foot by the stinger of a Gibia, but Dr. Yoshinaga hopes that the stinger may be empty of venom. While everyone rests and Sensui lays in bed stricken with a fever, Yurika leaves the facility. Later, Kathleen finds a letter from her mother in which she promises to return if she does not become a Gibia. Ayame and Kenroku leave the others to gather medical supplies from another store and encounter some lizard Gibia but manage to kill them...