The twins of the world manage the complex mess of threads and locks.
Represents "cause" and "result".
The threads were messed up and turned into hairy balls, so as the elder brother, he had to take action!
☆The protagonist is actually a bit suicidal
☆It is not necessarily true that there is a CP
☆This is a brother and sister who cheat each other
☆Fate update, generate electricity with love