Subcontractor - S1.E6

Keita is kidnapped from the streets of Tokyo by Mikami Houjo after getting her orders from Hiyou in order to get Kuro to her. Once at the mansion, the two Tera Guardians challenge each other to a fistfight. Both use their Exceed moves in order to overpower each other and gain an advantage, but Mikami loses the match when her contractee Shingo collapses and dies due to health complications when he became very old despite his difference with his age and looks from his time with Mikami in using his contact powers. Seeing that he had die, Mikami no longer wishes to fight them and allows them to leave the mansion grounds for good.