C302 invest in doing

After returning to the dormitory, he gently opened the door and then closed it. The room was very quiet, and the study room was still lit up.

I walked into the study softly, Hai Zhu was still focusing on his own plans. Hai Zhu's focused look infected me, I knew that she was putting herself into her own things, Hai Zhu's current state is similar to mine, if I don't do it, then that's fine