A Note For Readers...

When Ja-yoon found her sister ARK 1 and took her somewhere to find their mother. Professor Baek was planning to unleash her biggest weapon, The ARK 0, no one knew about.., even Jang and Jo hyeon were unaware of her. Professor is going to use ARK 0 to stop Ja yoon, and ARK 1 from meeting their mother, but what if this ARK 0 go out control...