Misstrixxtin cerita

{May just be a oneshot} When a trio of spy/assasin for hire is paid to take out a rich man, his wife, and two sons they hesitate. But the price is right; even with a no-kill rule they need the money. So why is it the compulsive decision of one that spares all four of their targets with a single second? A single word? A single sentence? A single moment? A single person?