Long ago, magic was abundant and enriched the lives of all people until its usage in war. To end the chaos, seven of the most powerful mages gave up their lives in order to seal all magic. Now, almost one thousand years later, their magic seal Magiaconatus hosts Granbelm, a monthly series of battles meant to determine who among its participants is worthy of the title of Princeps, the one true mage. On the night of a full moon, high school student Mangetsu Kohinata is suddenly transported to an illusionary world where six mages are participating in Granbelm. Mistaken for an enemy mage, Mangetsu is attacked by two mages until she is rescued by Shingetsu Ernesta Fukami and her Armanox Viola Katze. However, when Shingetsu is ambushed for protecting her, Magiaconatus grants Mangetsu the Armanox White Lily, allowing her to fight off Shingetsu's assailant. Overwhelmed by the revelations presented to her, Mangetsu decides to help her new friend fight in Granbelm and make her wish come true. [Written by MAL Rewrite]

Taking place one month after the events that occurred in the movie Heaven is a Place on Earth. Living at the Sanzenin Mansion once again, Nagi returns to her old ways of life, until she receives word from American authorities informing her that she has a week to pick up her late father's belongings that was indefinitely delayed due to various circumstances. After receiving news of her father whom she doesn't remember, Nagi then meets a mysterious girl (with a hidden agenda) claiming to be Nagi's little sister. The series tells a new story that is original to the anime and not directly based on the manga. The main author of the original series Kenjiro Hata personally created the original concept for the story of this anime. (Source: Hayate no Gotoku! Wikia)

Winning the legendary characters "Kite" and "Black Rose" from an event held by the creators of the MMORPG "The World," Shugo and his twin sister Rena steps into "The World." Together they completed events and quests, along with their new friends Ouka, Mirelle, Hotaru, and Sanjuro. Soon after, mysterious monsters appeared, and death by these monsters caused players to slip into a coma in the real world. Only Shugo and Rena can solve this problem, but why are they being targeted, and what secrets is the game hiding? [Written by MAL Rewrite]