Fate Reversed, Life Renewed

Older man Possessive, sickly-sweet yandere pursuer x sunny, adorable, sweet-on-the-outside, dark-on-the-inside recipient He became his nominal younger brother. Through the years they spent together day and night, restrained feelings quietly took root, only for them to be forced apart just as their passion burned brightest. Eight years apart, and the boy had grown into a cool, aloof young man. The affection left unspoken back then had long since grown into an obsession. This time, as the older brother, he would never let go again.