Heavens Library to Crimson Lord brings back Arata, Lilith, and the rest of the Trinity Seven to face off against the greatest enemy in the history of the Trinity Seven; Lilith's own father, who is revealed to be the strongest Demon Lord, challenges Arata who is now a Demon Lord candidate. (Source: Avex Pictures, edited)

The candid shots of Muttsurini's female and male classmates that fund his surveillance habits.

Somewhere in the MMORPG called "The World," a group is gathered at a pub, awaiting the start of an event. There, old friends and acquaintances are reunited, including those who rarely log on. Some are even forging new relationships for the first time. Together, invited by the hacker Helba, the group leaves for the event in the Net Slums where a celebration awaits them all. [Written by MAL Rewrite]

A virtual multiplayer online role-playing game exists, known as "The World." In "The World," there is an event held in the Dungeon of Nankoflank that Mimiru, a character in the game, undertakes with Bear, another character of the game. Mimiru confesses to Bear that she's not doing the event for the treasures or experiences, but for the memories and experiences of when she had first started playing. The two later meet a certain character named Mimika and together, the three proceed through quests and events as Mimiru learns the meaning of the game. [Written by MAL Rewrite]