What happens when you get experience points? You don’t know? You ‘Level Up’. So, what happens when you Level Up? Let me tell you, you can continue to earn experience points. Efforts become experience points; eventually, they accumulate, and you Level Up. A boy who was reincarnated into a game world used his knowledge to raise his level energetically today too!

Houjou Yuuji, 30 years old, jobless, hikkomori for 10 years. Using his parents’ death as the impetus, he decides to rid himself of his hikkomori life and leaves the house. What awaited him, however, was a different world that he was not used to, creatures strutting about that he didn’t recognize. This is the story of a man transported to the another world, as he lives in relative peace with his beloved dog Kotarou – his house, with electricity, water, gas, and the internet somehow still connected. One day while exploring the forest near his house he finds a girl named Alice, and becomes her guardian. Thus, 4 years after he is transported to this world, Yuuji resolves to venture into his first town.

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss. This is Yuki’s story, my story. It tells the tale of how I spent my days after settling down in a dungeon with a self indulgent, “supreme” dragon girl and a young vampire.

Within the world’s largest MMORPG, Japanese player Takeru builds an original skill specialized in HP capture (life steal) and rise as a top ranker. He challenged the long-awaited most difficult event “Tower in the Sky” but got transferred to another world halfway. He then became the owner of the “Tower” with a pretty administrator. While being forced into a situation where skills are unusable, he formed a party in the new world with new friends such as an elf and a fox-eared girl and charge to a different world battle. A fast paced refreshing story that has a sense of playing RPG.

The hero tired of the world’s problems used all of his power to reincarnate into a slime. As one of numerous small fry, without standing out he was supposed to be able to live inconspicuously but due to accidentally being born in a dragon’s nest he was brought up as a dragon and became the most powerful slime ever. If that strength is discovered it will become tiresome once more……The appearance is a slime, within is a dragon, he uses his power to the fullest and through various means he resolves to conceal his [Supremacy].

Right after jumping off the roof Masamune was caught up in his classes transition to a new world. A throne hall. The students had all received high-class jobs such as Sage or hero. Except for Masamune, who became a healer, the weakest known occupation. Cursed at and called incompetent, he alone is banished. After wondering the darkness, Masamune who received the skill [mischief inversion {extreme}] through inverting the healing magic gained the ominous magic [Encroachment Wave]. Now the strongest, Masamune swore his revenge. Demons and the white cat tribe, precious companions he met on his journey. Together they explore the new world.

Yuto has been an adventurer for 10 years. 10. Long. Years. He put in the work, the effort, the sweat, and blood, but Yuto is different. He is the only adventurer to never have leveled up once or hasn’t acquired any skills. Yuto finds himself facing a monster way out of his league, gets crushed, and wakes up. It was from that day when his life begins to change.

The power harassment from Alfine ー a girlfriend and childhood friendー, who are the same age, grew up together, and became adventurer together, is painful. A peerless beauty, a person with the title Sword Master and called the Flawless Sword Goddess, a capable woman with achievement recognized by the Kingdom and rewarded with appointment as a knight and became a noble. On the other hand, I’m treated as that capable woman Alfine’s accessory, hurled abusive language by her, often power harassed by her with insults as an adventurer, losing my dignity as a man and as a person, I resigned to spending my daily life in position as a lover-cum-caretaker. However changes come to those daily life. Alfine, who became busy as the kingdom’s knight, often became unable to take part in adventures, the times I took requests alone increased, and I was able to regain my lost dignity. Then I became aware to the abnormality of the situation I was in. Then, to regain myself, I decided to abandon her repeated power harassment. In addition to all the equipment I received until now, I returned the sword which we gave to each other when we became an adventurer to her, then I declared our break up, and left that place quickly. From now on, I will change my name and appearance and live freely. As soon as I decided so, everything went well, and when I realized, I was praised by the people around me and became the greatest adventurer on the frontier. What’s more, I got a proposal to marry the frontier lord’s daughter from a female adventurer.

After losing his girlfriend to a brave hero, Toru is expelled from his S-Rank party. With a feeling of sadness and pain in his heart, he defeats a demon he meets outside the city, and his ability [to save experience] is broken! Toru becomes level 300 in the blink of an eye! With this power that far surpasses that of heroes, there is nothing that can stop him. Kaede, a s*ave he met on his journey, forms a group called the “Mangyu Brigade”, and easily completes dungeons, acquires the legendary sacred weapons, and thanks to his skills, his friends level up easily! He rescued a countess who was attacked by bandits on the road, and befriended a legendary beast. Toru’s journey continues at a leisurely pace, as he repeatedly encounters various people along the way, while his former party of heroes are deprived of opportunities to play an active role and fall into decline. This is the beginning of the life of a 300 level warrior!

It was in the year 2800 of the Midgard calendar. Back then, there was a Overlord who once reigned supreme and had reached the very brink of subduing the world. Her name was Ruphas Mafahl, a great woman dreaded as the Black-Winged Overlord. She was too strong, too fast, and too beautiful… However, she was defeated by Heroes who opposed her ferocity, and her ambition was brought to an end. ――or so went the story of our protagonist’s in-game character, whose body he now possesses for some reason in a world 200 years after Ruphas’ downfall. Follow our protagonist as he becomes unnecessarily feared by his surroundings and unnecessarily worshiped by his former subordinates as he―or now she―cheerfully travels around this fantasy world.