Eve of the Roses

(from ebookjapan):

With good looks that could pass for a woman, Jun Tsukie is a top-notch assassin who uses only a knife to kill his prey. His nickname is Eve. His pheromones make any woman fall in love with him. His father takes on any job that brings in money, and the next job he brings is delivering money to hijackers.

When Eve makes contact with the gang in Venice, she tries to get them to release the hostages without handing over the 500 million in ransom money to the hijackers...?

Contains 5 stories including the title story.