A manga panel with a character's test paper, showing a dramatic improvement in scores across various subjects, with a focus on mathematics.
A man in a suit is talking on a phone, surrounded by other people in a room.
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A young man in a suit stands in front of a classroom, holding a book and a pointer. He appears to be a teacher, poised to deliver a lesson.
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A young man with spiky hair, deep in thought, stands in a room with a wooden door. He is holding his chin, pondering the meaning of justice.
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A young man with spiky hair, wearing a black suit and tie, is engrossed in reading a document. He is seated at a desk, with a serious expression on his face.
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A young man with dark hair and a suit is seated at a desk, looking down at a piece of paper. He appears to be in a classroom setting, with other students in the background.
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A man in a dark suit stands in a room with a white ceiling, looking at a calendar on the wall. A large, white, egg-shaped object with a black top sits nearby.
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