@Paola
I think he meant about the backstory or past of him that he told about Yuki's Dad (?) He thinks and says about it as a "lie" which he couldn't bring himself to say it to Yuki, I think?
(I don't know anymoreee, even I, myself, Is also confused)
I love my Mammon😄
If you're a ONE OK ROCK fan, then I love you☺️
I like and love receiving hugs, must be weird of me🗣️