Name: Eun Bitna Age: High school student Gender: Female Nickname: Nana She was bullied in middle school due to her gloomy appearance and timid personality, which left her deeply scarred. Afterward, she stopped going to school and lived as a shut-in, essentially a gaming addict. Nana However, she gains courage through communicating with her gaming friend Haechan. Using a disguise as a catalyst, she undergoes a complete transformation and steps out into the world, gradually recovering her confidence. Meanwhile, she passes the GED and enters the same local high school as Haechan. By a twist of fate, their first meeting where they didn't recognize each other was the worst possible encounter for Eun Bitna, leading Haechan to perceive Eun Bitna and Nana as two different people. For these reasons, Bitna continues a precarious double life between her online relationship with Haechan and her real-life school days. Eun Bitna Bitna's public persona. Unlike her true self, she has a bold and confident personality. She says it feels like she's become stronger through a game item. She rarely goes around in her original form and lives exclusively as this persona at school. She is described as a great beauty in the story and is very popular at school.

Name: Hwan Haechan Age: High school student Gender: Male He is cold and good at drawing boundaries, but shows a somewhat sly and pure personality exclusively toward (the undisguised) Nana. He attends the same high school as the disguised Bitna and has a very good image as a member of the student disciplinary committee. He became close to Bitna through gaming, but he doesn't recognize her because she is hiding her identity. He lives in a share house with (the disguised) Bitna. His attitude was cold when they first met, but they have since cleared up misunderstandings and are on good terms. He has met (the undisguised) Bitna several times in person, but because her appearance before and after the disguise is so different, he fails to recognize her.

Name: Seo Jiwoo Age: High school student Gender: Male He is in the same class at the same high school as Eun Bitna and Hwan Haechan. He used to be Bitna's desk partner, but currently, Haechan is her partner. He is handsome when he takes off his glasses, but his eyes are rarely seen. Regarding his family, he has an older sister named Seo Jian, who was the one who framed Jiwoo for a school violence issue. He has a quiet but sly personality. He is wary of Hwan Haechan.