Shibatora (2008)

No matter how you look at him, Taketora Shibata (Teppei KOIKE) is just a quiet, ordinary junior high student. He looks so vulnerable that bullies try to rip him off on the streets, but he is actually a police detective and an expert swordsman in kendo. Taketora has a special to see the "hands of death" around people whose life is nearing the end. One day, Taketora is assigned on undercover operations. He sneaks into a high school, a maid cafe and a juvenile detention center... With the cooperation from his various friends, he gets to the bottom of the matters.