Revenge

just as they say "Forgive and forget" but this girl is different...
"it's too late for apologies, what's done is done you must suffer.." is what she believes in

Misaki's parents was brutally murdered by the Sakamoto family she seeks revenge but ended up meeting the Sakamoto's eldest son, Akito Sakamoto but was Akito really his real name,is he really a Sakamoto?
Past:
Misaki and Itsuko was playing, in that day it was Misaki's birthday, they were both outside playing tag with each other they saw a van parked in front of Misaki's house, they went inside to inform their parents but Itsuko was forcefully dragged into the van by a man