Inagaki, the butler of Kawarazaki Manor, upholds an air of meticulous professionalism tinged with an unsettling calm. He oversees the estate’s staff and crafts an illusion of order for visitors, deftly cloaking his involvement in the manor’s hidden atrocities. Partnered with the head maid Mika, he executes schemes devised by the master, Nawatsuna—including deliberate vehicle malfunctions to thwart escapes. When guests stumble upon the manor’s secrets, Inagaki shifts swiftly to quell disturbances, tightening security and accelerating plans to isolate the property from the outside world. His exchanges with intruders blend icy courtesy with psychological manipulation, using measured words and veiled threats to dominate interactions. His past remains undisclosed, his narrative purpose anchored to preserving Nawatsuna’s authority and perpetuating the manor’s warped existence without deviation.