(from ebookjapan): Kota is attacked by the Jigokka group, which rules the nightlife of Tokyo, as a result of his brother Fujijiro's involvement in a gangland gang. One night, Fujijiro came to Kota covered in blood. He died right in front of Kota's eyes. Kota swears revenge on the Jigokuhana group and sneaks into their party by himself.... This is a masterpiece collection full of the charm of Mochizuki's action. Includes the title story "Mekong Hawk" and three other one-shots.