Takashi Kosuda
Takashi Kosuda is one of Yamada's classmates, and is the main subject of her lust throughout the series. Characterized as inept, sheepish and indecisive, he is also kind-hearted and often tries to look out for Yamada when he can. Takashi is initially taken by her advances, but that later turns into confusion and anxiety, due to the mixed signals between them, as well as his insecurities as a virgin. He lives at home with his older sister, who is a college student. One of his hobbies is photography. He is afraid of heights