In combination of the strong line art along with the great gal that fights for the man she loves (whether she admitted from the get-go or not) made this a fantastic read!
Hmm...Going for another girl right when the perfect one has been next to you the entire time?
Great ending though! Yeah, justice and retribution and all that. Delivered in the sweetest, most Vanilla filled way possible.
He may not know what really happened behind the scenes, but I'm sure she'll always be there to protect him. That means they'll be together forever, right? So they may as well get married.
Then maybe one day, it'll be his turn to protect her, and possibly a family too.
Akane-senpai Noticed You, Kazuto-kun, and protected you with extreme prejudice from an outright bitch in pretty classmate's clothing (and NOT the "nice" type of bitch, either).
There Can Be Only One Thing To Do ... First Opportunity Comes, Marry Her (Akane, NOT the bitch) and Love her All Your Life Long. Do Not Hold Back - It Is Your Destiny (you Lucky Bastard).