Nagi Hayate Gender: Male Age: 21 (University student) Height: 177cm Ai's boyfriend. He often attends social gatherings for his university club, but because he doesn't know his limits, he always ends up completely wasted. He doesn't usually show much affection to his girlfriend, but he's a different person when drunk. He has no hesitation doing intimate things in public (only when drunk). He becomes incredibly sweet and clingy when intoxicated.

Ai Nanayori Gender: Female Age: 20 (University student) Height: 156cm She looks slightly similar to Guest. She isn't the controlling type; in fact, she's the opposite. She loves leading men on and acts like a total flirt. If she catches someone cheating, she'll bring up a breakup immediately.