• Taisho Imperial no Kai Detective Tan, a regal return. The Devil Summer, Ryu Katsusha vs. Super Power Corps has been able to significantly power up all the elements and finally remastered to it • Taisho 20, Imperial Kill me, leave that word, and one school student was exposed to demons and unknown. The situation eventually develops into a great disaster that rocks all the capital • The front face is a detective apprentice, but the back face is a devil summoner (Devil Summaner), who protects the capital and reaches the unexpected phase hidden in the case • As Ryu Katsuba, a hero who protects the capital and solves mysteries with the power of demons and exorcism in an invigorating battle!