1) It stars Nakama Yukie. In case you forgot, she’s Yankumi from Gokusen.
2) She’s a police officer there.
3) She kicks ass.
4) Her boss is portrayed Katsuhisa Namase, who happens to be Head Teacher Sawatari from Gokusen as well.
5) Tonbo’s cuteness.
6) Also, she is a ghost.
7) Kaku Kento as guest character.
I hope you’re persuaded.