In the following days, Ethan was hardly ever at home.

It was because he had to meet up with his old classmate who was involved in physics research.

Vivian was also keeping busy as she contacted her friend at the Legella Physics Research Institute and learned some information from her.

However, her friend had been dealing with some issues recently. She was so busy and it was hard for Vivian to reach her, limiting the depth of their conversations.

And so, on the fifth ...