The Black Assault (E02)

Rose, Ryuji and Eriko are suddenly invited to the Japanese branch of the society by a researcher named Tokura. While Rosa is indistinguishable from a young girl, the society performs a variety of examinations after hearing she is a dragon, and the results are...! Unconcerned by her situation, Rose is simply happy to be with Ryuji, and enjoys eating ice cream. However, a young man in black and an underground broker come for Rose! (Crunchyroll)