C563 A Heavy Punch on Cotton

As the date for the design competition drew closer and closer, Ling Yun'er put all her effort into this intense competition. Sometimes, she would be busy until late at night, looking through the relevant blueprints and materials, revising the drawing repeatedly.

Hee Hanyu had been very idle recently. He spent a lot of his time on Yaya to accompany her to fish. That day