: We begin to see that Nazuna isn't an outlier; there are other vampires with varying philosophies on how to interact with humans.
: The episode concludes with Yamori realizing that not all vampire-human relationships are based on his idealized version of "falling in love." He learns that for some, like Seri, the nighttime is a way to escape the boredom of the day through superficial connections. Key Themes Yofukashi no Uta (Dub) Episode 9
: While Yamori is out alone, he is approached by Seri, a "menhera" (emotionally volatile) vampire who tries to seduce him. Unlike Nazuna, Seri follows the traditional vampire method of charming humans through fake romantic interest to feed on them. : We begin to see that Nazuna isn't