sooo my theory is they didnt die at the same time in their past lives, so Eishin had to watch Aesis die every time and live without him, so now he's trying to stay away from him by pretending he doesnt remember, but he just cant stay away
I agree… his reaction and actions seem too emotional to be someone who totally doesnt remember, his memories are probably more tragic than the rose tinted memories mc has
sooo my theory is they didnt die at the same time in their past lives, so Eishin had to watch Aesis die every time and live without him, so now he's trying to stay away from him by pretending he doesnt remember, but he just cant stay away