'Stray Cats' is an experiment carried out to train the strongest assassins by DIAMONDS! An assassin organization specialized in the art of voodoo insect.

 

Eight children, from different background were kidnapped and imprisoned in the laboratory. Their names were replaced as SC001 to SC008. All of their actions and progress were observed and carefully recorded.

 

On the age of 6, only five of them passed the requirements and met each other before the start of assassin training.

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SC003 excels in thermal weapons. High sniping skills and have the talent of crafting weapons. In the meantime, SC002 is good at close combat and white arm. Even with a heavenly good-looking face, his goofiness during training were not to dismiss at.

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On the final stage of the Stray Cats, when they were 8. The requirement of succeed and being the new member of the assassins is to kill each other. SC002 and SC003 were forced to pit against each other. Without any options left, they risked everything and chose to break into the observation room together. At last, the organization boss approved and assigned them both as assassins.

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Both of them showed amazing results. Completed many missions with flying colours. But ONE DAY, their destiny might change as they met someone...