C57 Sunrise and Sunset

"Ding dong!" The doorbell suddenly rang in the darkness. Jing Shu was so frightened that she trembled. She held the pillow in her hands and turned on the light. She carefully walked to the door and opened it. Who else could it be but Gu Beichuan?

Gu Beichuan was wearing a dark blue pajamas. His hair was in a mess, he was holding milk in one hand and his pillow in the other