Mina Koyama, Murderess of the Alley, is a Japanese actress who in her free time, loves to dance and drink and party... and kill. She loves killing with a passion, and will try to kill everyone she meets.

She is 4 feet 11 tall, with a petite body, and small breasts. She acts all cute when trying to seduce her targets, so that way she can kill them with her knife.

Her knife is turquoise, and is the sharpest thing ever. It can cut through anything.

She is clumsy, cutesy, cute, and depressed, but she hides her depression with her attempts to become aroused by the act of killing. However, she is also desperate for human affection.