Nine o'clock in the evening.

Derek was awakened by the sound of birds singing.

He endured the pain in his back, gritted his teeth, and reluctantly stood up.

He still has work to do in the evening, so he has to stay awake.

He returned from the railing to his room on the second floor, went into the bathroom, and turned on the shower on the hot water side.

Because the shirt on his back was stained with blood, he was in a coma for six hours. He didn't have time to change clothes, so the blood ...