While Rudeus reunites with his father in Millishion, Eris sets out to fulfill her dream of slaying goblins. While at the Adventures' Guild, however, she encounters Cliff, a conceited young mage who threatens to spoil her adventure. 
 
(Source: Funimation) 
 
Note: An unaired special episode included in the 4th Blu-ray volume.

His strength limited by the magical crest with which he was born, Matthias, the world’s most powerful sage, decides reincarnation is necessary to become the strongest of all. Upon his rebirth as a young boy, Matthias is thrilled to discover he’s been born with the optimal crest for magical combat on his first try! Unfortunately, the world he’s been born into has abysmally poor standards when it comes to magic, and everyone thinks he’s still marked for failure! Now it’s up to Matthias to prove everyone wrong…world’s strongest sage-style! 
 
(Source: Crunchyroll)

After the mysterious mana calamity, Rudeus Greyrat and his fierce student Eris Boreas Greyrat are teleported to the Demon Continent. There, they team up with their newfound companion Ruijerd Supardia—the former leader of the Superd's Warrior group—to form "Dead End," a successful adventurer party. Making a name for themselves, the trio journeys across the continent to make their way back home to Fittoa.
 
Following the advice he received from the faceless god Hitogami, Rudeus saves Kishirika Kishirisu, the Great Emperor of the Demon World, who rewards him by granting him a strange power. Now, as Rudeus masters the powerful ability that offers a number of new opportunities, it might prove to be more than what he bargained for when unexpected dangers threaten to hinder their travels.
 
(Source: MAL Rewrite)

Saltherine Aldarake, princess of the Kingdom of Aldarake, dreams of traveling the world—a dangerous dream in a land where monsters roam the countryside as they please, and humans live behind high, strong walls. But when a chance meeting with traveler Mikoto gives hope to her dream, he shatters it soon after, as he reveals himself to be none other than Momotaro, ruthless demon-slayer. Though horrified by the gore Momotaro leaves behind, Saltherine is convinced more than ever that she needs to learn about the world beyond her walls, and journeys out...following the steps of the mysterious, charismatic, terrifying boy she met that day...
 
(Source: Kodansha USA)

It has been 800 years since the incredibly fast and powerful gods of battle known as the Idaten had sealed away the demons after an intense battle. Now, that battle is just considered a myth or a fairytale. While the current generation of Idaten who have never even had to fight are enjoying their peaceful lives, someone awakened the demons once again! Armed forces, ingenuity. politics, and intrigue. If you've got it, use everything you can! This three-way battle royale with no rules and no limits is about to begin!! 
 
(Source: Crunchyroll)

The second season of Isekai Maou to Shoukan Shoujo no Dorei Majutsu. 
 
Diablo is back! You know…the Demon Lord from another world? Traveling through the woods with Rem and Shera, they encounter a lone girl in tatters, pursued by a powerful Paladin. 
 
You know what that means—Diablo will have to try and hide his lack of social skills once again (and come to her rescue, of course). Let the enchanting adventures continue! 
 
(Source: Funimation)

Single father Kakushi Gotou has a secret. He’s a top-selling artist of popular erotic manga, but his impressionable young daughter, Hime, can never find out! Now he’s having to bend over backwards just to keep her inquisitive little mind from discovering what he does for a living. A father-daughter tale of love and laughter. 
 
(Source: Funimation)

The story follows Lloyd, a budding adventurer who just wants to get stronger. His plan? Head to the capital and discover his true power, even though he grew up being considered a weakling. So Lloyd heads out from his hometown, which interestingly exists directly next to the most dangerous dungeon. He might not think of himself as strong, but he’ll soon learn that there’s even more of a difference between him and other starting adventurers. 
 
You know, because he grew up next to a deadly dungeon. He’s much stronger than he realizes. 
 
(Source: Funimation)

When a 34-year-old underachiever gets run over by a bus, his story doesn’t end there. Reincarnated in a new world as an infant, Rudeus will seize every opportunity to live the life he’s always wanted. Armed with new friends, some freshly acquired magical abilities, and the courage to do the things he’s always dreamed of, he’s embarking on an epic adventure—with all of his past experience intact!
 
(Source: Funimation, edited)
 
Note: The anime pre-screened its 1st and 2nd episode starting on the 27th of December on the Nico Nico Live Broadcasting and D Anime Store services

Living above the legendary dungeons of Orario ought to be enough danger for anyone, and in his short time as a member of the goddess Hestia's familia, Bell Cranel has experienced more perils and pitfalls than most. So, when Bell unexpectedly wins a free trip, is it too much to hope that he might have actually won a real vacation? Of course it is! Inexplicably chosen as the champion of Hestia's friend, the goddess Artemis, Bell quickly finds himself up to his neck in ruins and monsters as yet another epic quest begins. And where Bell goes, can the ever-jealous Hestia be far behind? 
 
(Source: Sentai Filmworks)

GREE