"Boarding School of Rivals and Heirs"

Prompt: Rich heiress sent to mysterious boarding where influential parents send their kids to learn more about their business and how to take over the businesses. She goes on and meets the scariest guy their who’s family is old yakuza money he and his friends keep an eye on her and she joins their group of six people she becomes enemies with the guy and will they stay enemies and expand to business or will they fall for each other and accept their parents partnership for them in the future.