Kinomine Mahumi,was originally a angel, but he lost his memories. The only thing that he knows is that he must kill 999 demons to become an angel again. So he is now working diligently to exterminate demons so he can return to Heaven. Mahomi encounters Shion, a demon, but spares him because of his white wings. The same wings that outcast Shion from the rest of the demons.
Hagane, a young detective, is an ace with a gun but for some reason he recklessly goes for perps barehanded. One day, he takes shelter from the rain at a church where he meets Akatsuki, the beautiful new priest. Hagane is shocked by the priest's angelic smile and gentle manner of speaking. He gradually opens up to Akatsuki about the tragic events in his past. Affectionate and encouraging, the priest listens to Hagane but is there something else lurking behind Akatsuki's beatific smile...?
**Original Digital:** [Renta JP](https://renta.papy.co.jp/renta/sc/frm/item/348627/) **Original Physical:** [Amazon JP](https://www.amazon.co.jp/透明な声で僕を呼んで-Charaコミックス-あさじまルイ/dp/4199609660)
Set 100 years into the past of the My-Otome anime. volume 1: Mai-Otome Retsuden: Ayane Kourin♥Hen volume 2: Mai-Otome Retsuden: Ayane Hishou☆Hen
The cool, beautiful Hikaru Tsuki shows up at Tozai Academy’s elementary school as a new teacher one day. But her true identity is that of a Peacekeeper—and princess!—from the planet Alpha, dispatched to Earth by the Andromeda Branch of the Space Alliance. She secretly investigates the earthlings while living among them under her assumed identity. Aside from her research, she uses the mystical powers of her Moonlight Ring to help the people around her with their problems. With her guidance, even sworn enemies turn into friends—but her eagerness to help sometimes leads to even more trouble! Joining her in her journey are an ensemble of zany, outlandish characters, including her assistant Baru, and the many monsters and oddball villains who regularly show up to wreak havoc!