If she had chosen to confront Tsukuyomi head-on back then, Tsukuyomi would not have truly killed her. She would only have sealed her away temporarily, or exiled her into a multidimensional space so she could not interfere with her grand plan.
After having her memories corrected, Yagokoro Eirin had never heard Tsukuyomi reveal her plan firsthand. Yet, relying on her wisdom and the fragments of information she knew, she had already roughly guessed Tsukuyomi's intentions.
Although she knew this matter was extremely important to Tsukuyomi, and Tsukuyomi truly had been her close friend for hundreds of millions of years, Princess was also someone important to her. Though she and Princess had spent only a thousand years together on Earth, that was indeed far too short compared to hundreds of millions of years.
But feelings could not be judged solely by how long people had known each other!
Tsukuyomi was indeed her good friend, but Princess was her best girl friend!
The difference between the two was enormous, roughly as enormous as one being someone she could not bang, while the other was someone she could bang whenever she wanted.
When she was with Tsukuyomi, Yagokoro Eirin's relationship with her was more like the restrained understanding between gentlemen, a friendship that knew when to stop.
But what about Princess?
Over the years, Yagokoro Eirin had practically raised Princess with shit in one hand and a spoon in the other. The effort she had poured into her went without saying; it was practically no different from raising a daughter.
People would always cherish more what they had invested more into. Subconsciously, they were unwilling to see the effort they had painstakingly poured in go to waste. That was only human nature.
So Yagokoro Eirin chose to surrender first, then look for a