Senju Kawaragi/Relationships

Haruchiyo Sanzu
Sanzu is Senju's second older brother. Their relationship is unknown but according to Senju, he doesn't care for her about being strongest in Brahman or it's boss.

It's seems they have a strained relationship.

Takeomi Akashi
Takeomi is Senju's right-hand man and her oldest brother. Their relationship seems to be good and he seems to be in disbelief when Senju lets out her emotions when they're doing business.

Takemichi Hanagaki
Senju and Takemichi never met in the previous timeline or future. Takemichi was only Senju's target to recruit due being the former 1st Division Captain of Toman and the last successor of the Black Dragon to defeated Mikey and Kanto Manji Gang. After Takemichi joined Brahman and being Senju's gopher, he was shocked that she was girl and having a different personality from being Brahman's boss.

They end up quickly becoming friends as she vowed to protect him.

There's hinted that Senju is developing feelings for Takemichi.