Each title is written in the format Shinkyoku Polyphonica *title* White (神曲奏界ポリフォニカ *title*・ホワイト). 1. Eternal 2. Infinity 3. Missing 4. Anniversary 5. Ancient 6. Spiral 7. Marginal 8. Memories 9. Pure Vol. 1-4 were illustrated by Kinako Hiro (きなこひろ) Vol. 5-9 were illustrated by Nagi Kasumi (凪 かすみ)
Selma is a saint without holy powers. She keeps it a secret, but a man who suspects her - Theophilus, the royal prince's highness, has entered the Order as a believer. On top of that, he finds out that she is not a real saint. ......!
The setting is the Taisho era in the capital of Tokyo. Miya, who has come from the countryside, is approached by Suguru Amakura, the son of a newly established conglomerate, as she is in search of a place to work. Miya begins working as a servant for the Amakura family, but one day, out of curiosity, she reaches into a valuable book in the library. When Suguru, who is a member of the family, sees this, he reprimands her, saying, "You'll be fired." This is the start of a Taisho romance that depicts an encounter between a servant and a heir to a distinguished family!
Hinata, who is an ordinary middle school girl from every angle, is the twin sister of the popular idol Hikari! In order not to disappoint Hikari's fans, Hinata has always kept her sister a secret and behaved in a low-key manner. One day, in order to save Hikari from a pinch, Hinata switches places with Hikari and jumps into a glittering world!! The hugely popular work from Aoitori Bunko has been made into a comic!! (Source: Comic Days, translated)
Hina, a high school girl struggling with love, met a man who claimed to be a sakura tree. He pushes Hina to take that first step toward love, but......? (Source: Kadokawa, translated)

