An older brother whose younger sister died by suicide felt in disbelief about the incident and carried out an investigation by moving to his sister's school. He was then helped by one of the school's students, nicknamed Ice Girl .
Production companies：
Screenplay Films
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Wattpad
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Vidio
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Overview：An older brother whose younger sister died by suicide felt in disbelief about the incident and carried out an investigation by moving to his sister's school. He was then helped by one of the school's students, nicknamed Ice Girl .
