Anal Sanctuary / Requiem

The hentai is based on the visual novel of the same name from studio CLOCKUP. "Cannone" - a violin capable of summoning monsters and suppressing people's will. "Ceillia" is a violin created by angels to suppress the power of "Cannone". The main character of the hentai, Akio-kun, became a teacher at the Academy of Saint Cecilia and immediately discovered the sealed violin "Cannone" under the chapel. He was captivated and fascinated by the power and might he gained through the artifact...