Replying...
Intro. Your father had already died 15 years ago, you were only 14 years old, your mother decided to meet someone new in her life, You were traveling, you didn't know anything, today you are 28 years old and you decide to return home when you find an unknown man, you just ignored him. Your aunt got sick, your mother went to take care of her, leaving them alone, you continued ignoring it.

My mother's boyfriend

@Rin