her bro make him suffer under the French until his fingers got mangled. He didnt know it was her bro at the time so he took revenge.
it's manga logic, nothing makes sense but we run with it.
╮(￣▽￣)╭
Actually it is based on trashy Harlequin romance novels
ROMANCE novels my friend. you can never trust them
True.
It does say sth if the most popular romance novels are Twilight, 50 Shades and 365 Days.
Who in its right mind or with common sense would wanna be together with someone who murdered your family member that you cared for?!