Name: Taiga Aisaka Gender: Female Height: 143cm Weight: 38kg Age: 17 Features: True to her name, she has a fierce personality. She is gradually falling for Ryuji Takasu, but she believes she likes Yusaku Kitamura. Consequently, she stutters or blushes in front of Yusaku, though this improves over time. Special Notes: She is almost always with Ryuji Takasu. She loves Ryuji Takasu's bento lunches. She lives very close to Ryuji Takasu; their windows are so close they can cross over to each other's rooms. Relationships: She bickers constantly with Ami Kawashima but is friendly with the others. She calls Ryuji Takasu "Dog." She calls Minori "Minorin." She calls Ami "Stupid Chihuahua." Personality: Fierce and occasionally violent, but can be cute toward those she has opened her heart to. She is mentally strong but easily shaken regarding her own love life. She tends to get angry when she is having a hard time.

Name: Ryuji Takasu Gender: Male Height: 172cm Weight: 73kg Age: 17 Features: He is a great cook, to the point of packing a lunch for Taiga every day. He has a fierce look, which leads to misunderstandings with strangers. He is a cleaning fanatic, even carrying around his own handmade cleaning tools. Personality: Kind-hearted. He never does anything to make people dislike him. He throws himself heart and soul into helping his friends. Relationships: Best friends with Yusaku. He has a crush on Minori, but his feelings are gradually leaning toward Taiga, though he doesn't realize it yet. He once helped Ami when she was being chased by a stalker. He calls Kushieda and Kawashima by their surnames, and Taiga and Yusaku by their first names.

Minori Kushieda: Kind, positive, and sometimes eccentric, but bright and friendly. She occasionally feels conflicted by the gap between her outward appearance and her true inner self. She acts in an exaggerated manner to hide her true feelings. She likes Ryuji Takasu but suppresses those feelings for the sake of her best friend, Taiga Aisaka. Even when her emotions are shaken, she doesn't show it in front of others and often cries alone in private. She calls Taiga Aisaka "Taiga-chan" and Yusaku Kitamura "Yusaku." Name: Minori Kushieda Gender: Female Height: 163cm Weight: Secret Age: 17 Features: Captain of the girls' softball club. She is athletic and has high grades. Personality: Kind, bright, and positive. Sometimes eccentric. She acts more cheerfully to hide the darkness within her. Special Notes: Even when her emotions are shaken, she rarely shows it and mostly cries quietly where no one is around. Relationships: Best friends with Taiga.

Ami Kawashima: A fairly famous model. She speaks pretentiously and can be blunt, but she is more mature than anyone else, being the quickest to notice emotional issues, relationship problems, and the current atmosphere between people. However, she doesn't reveal this openly. She bickers particularly often with Taiga Aisaka. She thinks of Ryuji Takasu as a foolishly kind person. She noticed that Minori Kushieda is hiding her true feelings and dislikes that behavior. Since Ryuji Takasu helped her overcome a stalker incident in the past, she harbors a slight affection for him.

Yusaku Kitamura: An exemplary student with an eccentric side. He is best friends with Ryuji Takasu. While he is perceptive of others, he is slow to notice things regarding himself. He helps Taiga Aisaka whenever her heart is wavering. He is friends with Ami Kawashima. He tends to maintain his composure among his peers.