Oni no you na Love Comedy

Akashi Tsukasa is a high-schooler, who has developed a ruthless reputation since childhood as the "Red Demon" when it came to defending the girl he likes. As a result, whenever girls see him now, they run away scared until one day he helps a girl named Shirakawa Kiko who was being harassed by a group of boys. Incredibly, she did not fear him and instead, smiles and sincerely thanks him. Could this be Akashi's true love?