It seemed this was indeed the murderer's diary.
Shen Gu Mirai leafed through the contents of the diary, getting a general idea in her mind.
But for some reason, just by looking at the "cruel" words, Shen Gu Mirai felt a chill all over, and fear arose in her heart.
With a tingling scalp, Shen Gu Mirai took a deep breath and continued to read.
"I killed the Sanki family's daughter. When her parents went to work, I dismembered her body. I buried her legs separately, deeply in the front and back gardens. The head was placed in the courtyard, the hands shoved under the tree, and the torso... wait, Yuuki has arrived. I need to entertain her..."
"Yuuki was very happy after seeing the body parts and even kissed me. I increasingly feel that what I did was right."