Set in the same timeline as the Polyphonica Crimson series. Each title is written in the format Shinkyoku Polyphonica *title* Black (神曲奏界ポリフォニカ *title*・ブラック ) 1. Inspector 2. Silent 3. Player(s) 4. Triangle 5. Resolution 6. Patient 7. Memoirs (Memowazu / メモワーズ ) 8. Reliance 9. Isolation 10. Liberation 11. Adoration 12. Promised 13. Advent Following the authors death in 2010, the future of the series is unknown.

*Author Junji Hotta has blessed the world with “Tsundere, Heidegger, and Me”, a tour de force of European philosophy… in a world where all the philosophers are self-conscious anime girls.* The main character, reincarnated as a high school student after a fatal accident, is summoned by the 7 characters for secret after-school lessons. According to the ITmedia: “Decartes is a haughty princess, Nietzsche is yandere, Heidegger is a long-haired cultural club leader.” (Source: aya.shii.org)

[Yankees], those who awaken exceptional powers with the potential to scorch the earth. The strongest and most sinister of delinquents despised by all. Rampaging in Tokyo’s Neko-oka district, infamous for its conflict, this generation’s greatest showdown of these yankees starts now.

Fujii Yoshiyuki is a single man who works as a cameraman and has found no success in life. At the age of 32, he enrolls at the Buddhist Institute in order to become a Buddhist monk and to take over the temple of his uncle, who has no heir. Despite the Buddhist etiquette he is not familiar with and thanks to his adventures with his new classmates, Fujii's way of life will inadvertently begin to gravitate towards the core values of Buddhism. (Source: Shogakukan)

[Feel Web releases](https://feelweb.jp/episode/3269754496334652356)

A gag story about daily life involving various professional baseball players and related people, including Kiyohara from the Seibu Lions. Although it is modeled on real professional baseball at the time of its serialization, players' names are written in katakana. Team and stadium names are slightly modified.

High school freshman Taiga Shibaki is a solitary delinquent who loves playing piano. If someone picks a fight with him, he always takes the bait and is in and out of the hospital repeatedly due to injuries. So of course, his childhood friend and first love, Nene Satou, worries about him. When Taiga is troubled by this clumsy love affair, Murai, a third-year student at Tatebe Academy, appears before him!? (Source: Gene Line Comics, translated)

Suddenly, a demon enters my daily life and covets my soul. I am an ordinary human being, but my 'goodness' is top-notch, so it is worth corrupting. As I become entangled with the demon, I keep getting involved in unbelievable things... The good man's hunt for evil spirits begins. (Source: Naver, translated)

Marriage Royale's story revolves around the male protagonist, a high school student named Tsukasa Hinomoto, who is told one day by his parents that he was adopted. Furthermore, they tell him that his real father is a manager of a large company, meaning he is very rich and holds a lot of power. Tsukasa's real father wants his son to marry a good woman, so he sets up an event known as Marriage Royale where beautiful girls from all over Japan will come together at a school built especially for the event and vie to become Tsukasa's fiancée. The school is located on an isolated island near Japan, and Tsukasa himself is taken there to live in a mansion in the care of two twin maids: Miku, the elder sister, and Miu, the younger sister. (Source: Wikipedia)

Van Asiliaino, Danica McGuire, and her older brother, Ernest McGuire. The destiny of these three individuals with a connection stronger than family starts to change in a big way since the Zeon Forces invaded Earth during the One Year War. According to the author, Junichi Kamino, AOZ is the chronicle of their conflicts and growth. A story that draws a line of belief while seeking truth in a world without hope. It carries a message of finding hope by yourself in a closed society. Another Z Gundam sidestory, “Advance of Z: The Traitor to Destiny” was created with a new staff, new mecha, characters and setting establishment differing from that of "Advance of Zeta: The Flag of Titans". (Source: gundam.wikia)