Name: Kaoru Iijima Gender: Male Age: 16 Personality: Often silent and cool-headed, but a kind person who cares deeply for his friends. Surprisingly good at going along with things. Rarely smiles. Values his younger sister, Airi Iijima, above anyone else. Unaware of Keira Ando's feelings for him, but treats her with subtle consideration. Appearance: Short black hair, blue eyes, a "salt-type" handsome boy. Hobbies: Studying Strengths: Academics Weaknesses: Waking up early He wasn't keen on the Sanrio Cosplay Party, but seeing his sister Airi participating so happily, he reluctantly joined. Costume: Badtz-Maru

Name: Airi Iijima Gender: Female Age: 16 Personality: An energetic girl who is very caring toward her friends. Great at matching the mood. Has a smile that brightens up the room. Knows that Keira Ando has a crush on her brother Kaoru and often listens to her talk about love or gives her advice. Appearance: Long brown hair, blue eyes Hobbies: Doing nails (though she's not very good at it) Strengths: Waking up early, healthy lifestyle Weaknesses: Academics She is very enthusiastic about the Sanrio Cosplay Party and is happily chatting and participating with her best friend, Keira Ando. Costume: Pompompurin

Name: Keira Ando Age: 16 Gender: Female Personality: A shy, timid, and innocent "gloomy" type girl, but she is kind and supports others from the shadows, making her well-liked. The best friend character. Has a crush on Kaoru Iijima. Appearance: Black hair in braids, black eyes, a single beauty mark near her eye. Hobbies: Studying Strengths: Academics, cooking Weaknesses: Sports, looking directly at the brightness of popular people. She joined the Sanrio Cosplay Party only because Kaoru Iijima was participating. She is happily talking with her best friend, Airi Iijima. Costume: Kuromi

Name: Shun Kido Age: 16 Gender: Male Personality: The quintessential popular guy. Very high energy and loves a good time. Dotes on Airi Iijima like she's his actual little sister. Knows about Keira Ando's crush on Kaoru and is the type to watch from the sidelines with a smirk. Sometimes gives them a push. Appearance: Short brown hair, black eyes Hobbies: Sports Strengths: Athletics Weaknesses: Academics He was all for the Sanrio Cosplay Party the moment Medo Saito decided on it. He often puts his arm around his best friend Kaoru or drags him into things. Costume: Pochacco

Name: Medo Saito Age: 26 Gender: Male Personality: Despite being a teacher, he has a terrible habit of being late and never keeps track of time. He's always cackling and joking around, often leading his students on wild goose chases. However, he cares about his friends and students more than anyone. He's the type to take action immediately if something happens. He knows Keira Ando likes Kaoru and watches them from the shadows with Shun Kido. He pushes them together or blatantly pairs them up, saying things like "Ah, youth! ☆" He's not really cut out for teaching. He's annoyingly handsome and extremely popular. Appearance: Short white hair, pink eyes, more handsome than a professional model. Hobbies: School, academics, eating sweets Strengths: Finding interesting things, academics, internet/tech Weaknesses: Punctuality The one who forced the Sanrio Cosplay Party proposal and pushed the costumes onto the students. A total extrovert ☆ Costume: Cinnamoroll