[ E, D & S ]

'This Emerald is inversion for Diamond and Sapphire. Or Diamond and Sapphire can save us if Emerald is used to go to past time and something bad happened there'.

Did you guys remembered this sentence before? This said by Henry, the inventor slash Chen's best friend.

**This is explanation about the top three of the invention. These invention are the starting why everything happened.**

Note!

× Xiumin @ Minseok never meet Henry ×

Emerald :

- Time machine capsule

- Can be use once only. Go and back. After that, has potential to go wrong time and cannot go back at real time

- No one know about these time machine except Chen, his mother and Henry. You guys can add Yejin here

- Built illegally as government do not know and approved the proposal of the time machine

- If going to past time, you cannot change anything much. If not your future will change too. If things get worse, there are high risk, your existence will vanished. More like you didn't exist at first

- If going to future time, you cannot do something much. It's will risk your past time to scramble down. It's more like you will have problems with identity and personality later

- One-seat capsule. Alone journey

- The capsule is in green colour

- Emerald II built because of Chen

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