After finishing his meal, Ren told Nishino about Hina Mayuri, himself, and Blue Triangle. After that, he asked if Nishino was interested in joining.
"Of course, I'll join. I once said I would follow the same path of heroism as my father. No matter the reason, what they are doing is not right," Nishino replied.
"Are you serious?"
"I'm serious."
When her father took the path of heroism, the figure he considered the main enemy of humanity was the monster. However, Nishino thought differently. She felt that humans who trampled on the lives of other humans were essentially no different from monsters.
Humans and animals alike could become monsters.
"In that case, I will introduce you to him later. For now, you need to inform Captain Akihisa about my success in becoming a genomancer."
"I will tell him later."
"I will go now, thank you for the meal."