The Hidden Dungeon Only I Can Enter

In the multiplayer online game Glory, Ye Xiu is regarded as a textbook and a top-tier pro-player. However, due to a myriad of reasons, he is kicked from the team. After leaving the pro scene, he finds work in an Internet Cafe as a manager. When Glory launches its tenth server, he throws himself in to the game once more. Possessing ten years of experience, the memories of his past, and an incomplete, self-made weapon, his return along the road to the summit begins!

Hida Kizuna possesses the HHG (Heart Hybrid Gear) ability, but it is not strong enough to make him particularly important. His older sister calls him to transfer to a strategic defense school, where many of the students (many of which are large-breasted girls) use their HHG abilities to fight invaders from another world while wearing extremely skimpy pilot outfits. Kizuna's fighting ability doesn't measure up, but his sister has another plan—apparently having erotic experiences with Kizuna will allow the girls to replenish their energy or power-up. It looks like his new school life is going to be full of embarrassment.

Turns out, evil takes initiative! With world domination close at hand, the Kisaragi Corporation turns its sights on interstellar conquest, and who better to take over a magical world than two randomly assigned minions—Combatant Agent Six and his android partner Alice? But Six’s path up the evil corporate ladder won’t be easy—a Demon Lord’s army is hatching its own nefarious plan!

It was just a usual morning. Akira Shiroyanagi, a high schooler who loves games and Konpeito (Japanese sweets), has suddenly been dragged into a battlefield by a mysterious girl who calls herself Mion. The participants are told that they are "erased from the family register, involved in an experiment, and gained certain powers." Akira is determined to win the game with his newfound powers and destroy the organization. Armed with a power no one expects and his "brain" skills, the new period of intelligence battle begins!

Toujou Basara is a high school student whose father has suddenly just remarried. His father then departs overseas leaving Basara with two new beautiful step-sisters. Little does he know, his new sisters, Mio and Maria are actually the new Demon Lord and a succubus!? Almost trapped into a life of servitude, Basara forms a reverse contract by accident and ends up becoming Mio's master! Hijinks ensue as Basara finds himself in one ecchi situation after another. However, Mio's life is in danger as she is pursued by demons and heroes!

In a world of monsters, adventurers and magic, some of the most gifted healers are subjugated to brute force. Keyaru gains the ability to rewind time and turns the tables on those who’ve exploited him in this dark fantasy tale of vengeance and fury.

Magic Knights are modern magic-users who fight with weapons converted from their souls. Ikki Kurogane goes to a school for these Magic Knights, but he is the "Failed Knight" or "Worst One" who is failing because he has no magical skills. However, one day, he is challenged to a duel by Stella, a foreign princess and the "Number One" student. In this duel, "the loser must be obedient for life."

Daichi Kakeru is a high school student who has never had a girlfriend. Little did he know that everything was about to change when he bought a melon soda on his way home from school as the can came to life in the form of a girl, whom he calls "Melon".

While job hunting, Naoya is taken by a mysterious girl to a magical land where he is installed in the harem of the succubus Princess Lotte. Thanks to trauma from her childhood, Lotte hates men and surrounds herself with lots of other women, who all have quirks of their own. In spite of her selfishness, when Naoya learns that Lotte is really quite lonely he agrees to stay in her world...if he can bring his daughter Asuha with him.

Sword and magic rule in the continent of Kuna'ahn. In this continent are three powerful nations: the Holy Kingdom of Amoria, the Kingdom of Ishilfen, and the Kingdom of Vanrodis, which share a delicate balance of power. Should disaster befall any one of the three nations, war would spread throughout the continent. Also residing there is the feared "Evil Dragon" Daganzord, an unstoppable force that leaves nothing but scorched land and destruction wherever he goes. Hiiro's parents, Bairo and Kismitete, joined other sorcerers in a magic ritual ten years ago in an attempt to seal Daganzord, but failed when someone interfered. The ritual would later become known as the "Balbagoa Tragedy." After being rescued by Giruu, young Hiiro set out to learn swordsmanship so that he could avenge his parents.

Ryza is an ordinary girl. Tired of boring village life, she escapes the village to gather with her good friends in a secret location to talk of their dreams and plan thrilling adventures. One day, the determined Ryza and company decide to head for the forbidden "island across the shore" as their first exploration trip. Together with the alchemist and other friends they meet there, they have a "summer adventure" that they will never forget.

Kyotaro Kakei has always had an affinity towards books in hopes to find answers to his life. With a mentor's promise, he continues to search for a book with his absolute hope. However, this changes when he receives a foretelling message saying that "Today, something will happen that will change your fate. --From the Shepherd." Due to this premonition, his normal school life at Shiomoi Academy becomes entangled due to the optimistic Tsugumi Shirasaki and the Shimoi Happy Project.