Prologue

Rina (AKA Rhino) is an assassin.
After being chased by her enemies and cornered, Rina is forced to take a pill that makes her temporarily forget her memories so her enemies don't find out who she is.

Drake is a spoiled rich boy.
After nearly killing a woman on the streets, he decides to take her in, only to fall in love with her... but nobody can seem to remember her.