GKA! -Gyokusai Kakugo no Attack Dai Sakusen

The main guy of the story is Koga Ginji, a Yankee boy who is feared by all around him.
Spending his school life filled with fighting with love being far from his mind, suddenly he falls in love with a girl.
However by a trick of fate that girl is going to transfer schools soon.
There are only 5 days left until she leaves.
The curtain rises on the awkward Yankee boy's raging confession strategy.

Operation Prepared for Honorable Death Attack Strategy Starts!