a sister who was deprived of school because she was too boobs

One day, my sister suddenly stopped going to school and she seems to have been banished from school because she was too boobs. My brother encourages my sister, but it has no effect at all, and the physical education teacher Dr. Shiko Taro came to visit home with worry, he is in a bokki condition of Gaman juice rag! His older brother stops Dr. Shikotaro, who was a little bit out of his sister, but he gets into a big fight. However, her sister's wreck has subsided and Mr. Shiko Taro vows to lift the banishment from school. Is my sister, who has been safely released from school, properly irk at school?