[On Hold] Revenge Triggered (World Trigger Fanfiction)

Kurosawa Tsukiko is a 17 year old girl whose family moved to China for expansion of their tea family business that lasted for generations in Japan before she was born. Because she was the only child, she was to be the sole inheritor of the company and thus had the strictest upbringing. She was not allowed to play as a child, but studied about business management.
However, Tsukiko was close to her parents. Her father, a few years younger than her mother, was a serious businessman yet a flirtatious playboy. This fact made her mother upset, but Tsukiko had never once thought seriously about it until the day her mother went missing.
Investigations soon found out that a Neighbour had abducted her, and Tsukiko blamed her father for it. She wanted to be a Border agent, but her family stopped her and imprisoned her, forcing her to starve if she didn't study for the family business. Not wanting to die yet, she hung on and finally she got her freedom at the age of 13.
Her father had passed away then because of overwork, and her family had thought that it was time for her to step up and be the director. They assumed she wouldn't rebel--because she was living her life as a puppet, cold and emotionless inside. They had no idea she was slowly filling herself with hatred and anger--desperate for revenge on her own family and Neighbours. Using her talent in business management and years of studying business, she caused the company to bankrupt before escaping to Japan on her 15th birthday. Her past had bloomed her hatred for everything, especially for people younger than herself.
Tsukiko needed to find the one who could use her Black Trigger with her. That way, she could climb her way to become an A-ranked Border agent and find her mother in the other world. When she saw a news report on Jin Yuuchi, she decided to cause havoc to meet him. But what she didn't expect was to meet a certain white-haired kid...