After falling asleep while playing an online game, a man wakes up and finds himself transported to that game's world as his in-game character, Arc. He wastes no time adjusting to his new environment, but soon realizes that he is using the skeleton avatar he chose when creating his character, which forces him to hide his visage to avoid unwanted attention. Arc goes to the nearby castle town of Luvierte, hoping to become an adventurer and take on quests to earn money. With his overpowered abilities, Arc embarks on a fantastical journey—exploring diverse territories, looting various monsters, and helping people get out of sticky situations. However, his seemingly innocuous actions may soon involve him in a brewing large-scale conflict that will forever alter the fate of the realm.

In a fictional school, Tender Tank Rareko is constantly opening absurd yet strangely enthusiastic debates, this way creating a lively classroom life. Bringing up tremendous themes, she and her classmates exchange words like sword-strokes, and here and there even a profound remark is slipped in. A fun and informative debate comedy, packed into only five minutes each time. (Source: AniDB)

In the year 2047, mankind discovered a rare metal ore called Gaimetal, which possessed a huge amount of energy, and mining for these strange metal ore begins all over the world. However, in 2075, humankind were been constantly attacked by Gaist, a race of metallic creatures whose bodies were encrusted with Gaimetal, thus forming the GCG (also known as Gaist Crusher Garrison), an organization tasked with dealing against the Gaist. In 2064, the GCG send out mankind's line of defense: the Gaist Crushers, humans who can wear a special Gaimetal armor called Gaist Gear, and battle the Gaist,as well as the threat opposed by a mysterious organization called Erasers. (Source: Wikipedia)

Violence, name-calling, and humiliation are a daily reality for high school student Park Hyung Suk. Chubby and insecure, he is often used as a plaything and punching bag for bullies, which leads him to wish he could just disappear. Unexpectedly, when he transfers schools in the hopes of starting anew, a miraculous opportunity emerges: he awakens in a tall, handsome, and strangely athletic body. Hyung Suk quickly realizes that he is now the owner of two disparate bodies; when one falls asleep, he wakes up in the other. Feeling like he has won the lottery of life, Hyung Suk enters his new school as this attractive and strong young man. However, it soon becomes evident that being a popular student is not all smooth sailing. From girls wanting him only for his good looks to delinquents picking fights out of jealousy, he can never seem to escape trouble. In trying to balance his two different lives, Hyung Suk may find both of them to be sources of ceaseless challenges.