"It was the only way to save the world."

Honestly, Inigo is so cagey with this information, but he's let bits and pieces of it spill to people - but so randomly and scattered that he can never quite remember who he told what at this point.

But Taiki.. he trusts him. He can tell him, even though it's not exactly a fun or reassuring story.

"I wanted to create a better future for her. One where she could live, even if it wasn't with this version of me."