Contains the Heaven (天界) series of ちほー and 高天原ちほー, telling stories about fictional deities. The Heaven (天界) series of ちほー are based on European deities, while 高天原ちほー is based on Japanese ones.

At the Shirayuri Academy, a school where beautiful angels gather. There was a girl here named "Yurisaki Mika", known as the "White Lily Princess", who was called the Almighty Heavenly Sword. She existed solely to support this country and knew nothing of the outside world. Also, at the academy, the knight who protects Mika is chosen through a duel. However, those chosen as knights eventually fell from grace after battles with demons. Ruki, known as the fallen angel Lucifer, decided to unite his fellow angels and demons to fight against the heavens.

Songs

黒薔薇 Songs

Characters

Elements

Events

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• Azuri attends a knight selection festival as a child, and watches as the valiant angel Mika fights for her honor. (BIRTH)
• Long ago, a powerful angel named Mika was born in the heavenly realm. Her prayers had the ability to bring an end to the long war between angels and demons by preventing them from entering. Eventually, a church was established to support her powers, and an avademy was founded to select knights who would guard the border against impurity. However knights would get continually exposed to impurity and fall from grace every couple hundred years, causing an endless cycle of new knights to bear the burden. (Regulus)

Arc 1 - 3

• Mika prays for the peace of the heavenly realm inside a church, but she often wonders what the outside world is like, and ventures into the town square, where the White Lily Festival was being held. (ワンダーシャッフェンの法則)

Arc 4