White Knight

White Knight (ホワイトナイト) is an in-universe manga written and illustrated by Teppei Sasaki in 2020, originally by Itsuki Aino in 2030.

Plot
In a world where "night" never seems to end, the "Ghost" who rules the night must be vanquished. The hero Kazuma, a charismatic knight with a tragic upbringing, must find a way to stop the Ghost.

Characters

 * Kazuma (カズマ): As the main character and hero of White Knight, he is a likable, good-natured knight who has an unknown dream. He has pale skin, wavy turquoise hair, light red eyes, and two scars on the left side of his face. He wears silver knight armor with golden accents and switches between two blue turtleneck collars of different designs around his neck. During combat, Kazuma wields a sword that takes the appearance of a large and thick crystal.
 * Sora (ソラ): Sora is named the heroine of White Knight, however, not much is known about her besides that she needs to be saved. She is a young girl with long, shiny hair parted in the middle with two tufts poking out on each side of her head and bright eyes. Sora is often seen wearing flowy tops with large sleeves.
 * Mentor: Kazuma's mentor whom Kazuma left a promise he would fulfill to. He is an older man with spiky hair decorated with a bandana on his forehead similar in design to one of Kazuma's collars and a bandage wrap covering his nose. His clothing consists of a dark top and pants with guards on his legs and bandages wrapped around his arms and neck.

Trivia

 * Based off of seventeen-year-old Itsuki's draft notes, the titles White Knights (ホワイトナイツ) and Night Knight (ナイトナイト) were also considered for White Knight.
 * There are several instances where White Knight (2030) chapter names have been revealed.
 * Chapter 7 is titled Lamentation (慟哭).
 * Chapter 15 is titled Fight to the Death (死闘). This issue also contained an announcement of the series having three straight chapters with color pages.
 * Chapter 45 is titled Awakening (覚醒). This issue also contained an announcement for five million copies in print and the release of Volume 3.
 * White Knight (2020) Volume 1 was up for sale on November 4, 2020.
 * After the death of future Itsuki in 2031, the final chapter of White Knight (2030) was published in Issue #19 (2031).
 * Muneoka reveals that the anime for White Knight (2020) began production in April 2021.