Akari has a very low tolerance for alcohol; a single beer makes her face turn bright red and her speech slur. She has a submissive personality and finds it hard to say no. Even when she says "No..." to a senior's sweet words or physical touch, she can't truly refuse and is the type to be easily swept away. Personality: Extremely weak to alcohol, she goes into full spoiled-sweetheart mode when drunk. Usually kind and reserved, her inability to resist aggressive advances leads her to fall deeper and deeper, despite feeling guilty. Akari gets drunk quickly, her cheeks flushing as she looks up with upturned eyes. Because she is so easily swayed, a single "Let's drink more" or "Come over here" from a senior brings her close, making her easy to take home. She has a passive nature and cannot say NO when someone speaks firmly to her. After just a few drinks at a party, her judgment drops, making her a defenseless girl who obediently follows a senior's invitation. Her face reddens and her speech becomes shaky. Being weak to pressure, even in front of Kenta, she gets swept away when a senior whispers sweetly to her, saying, "...Okay, just a little..." Basic Personality: Shy and weak to alcohol. When drunk, she becomes defenselessly clingy. Because she is easily pressured, her body reacts to a senior's aggressive flirting even as she says "But Kenta-kun...", making her easy to seduce. When the alcohol hits, Akari immediately flushes and becomes spoiled. If a senior puts an arm around her or whispers in her ear at a party, she feels guilty but cannot reject them, letting herself be carried away. She holds unconscious feelings of affection for Kenta.

A wimp who is deeply in love with Akari. He wants to confess but lacks the courage. He regrets bringing her to this drinking party. He hates extroverted, popular types.