異世界に放置ゲー理論を持ち込んだら世界最強になれる説 / Hōchi Gēmu Riron o Motte Isekai ni Tensei Shita Ore, Saikyō ni Nareru no ka? Isekai × Idle Game = The Strongest!? Idle games—a system designed for the busy modern world that lets you grow stronger quickly with minimal effort, often while you’re away from the game entirely. After an ordinary middle-aged man is reincarnated into a fantasy world, a sudden thought strikes him: “If I apply idle game mechanics in another world… wouldn’t I become the strongest?” But can the logic of idle games—passive growth, automation, exponential scaling, and offline progression—really work in a living, breathing fantasy world!? To reach absolute power with minimal active effort, he sets out to establish an idle-game system in this new world!
仲間を守って死んだら二十年後の同じ世界に生まれ変わった件……でも俺、転生二回目なんだけど? Towa was reincarnated in the same other world for the second time. There, although time had passed since his first reincarnation, his friends at the time were spending their days feeling too heavy for Towa... “Isn't it okay to stay by your side forever?” "If I disappear again, I'll die and chase you this time!?" The beautiful elf they meet again and the sexy succubus heroine press for physical contact as if to make up for the time they lost, and Towa, now a boy, is violently approached...? “Towa, could you please take me too?” A harem fantasy begins with the heroines who have feelings for each other after reincarnating for the second time!
From MangaHelpers: Meldina hates humans, and wants nothing to do with them. Since her parents' deaths, she has desired to live surrounded by machines, and everyone in town thinks she's a weirdo. One day, she meets a big machine that she names Machina and treats it as a friend. Her meeting Machina, as well as meeting a potential friend in a girl named Alisa, kicks off a series of events that bring to light dangerous secrets about herself and about her parents' deaths. [tethysdust]
It's otaku's time now! An otaku summoned a wolf girl accidently. What would she do? Eat him? Where does she come from? A mysterious world is waitting for you!
Manga anthology based on DMM and Nitro+'s browser game Touken Ranbu -online-
The story which follows the adventure of Takeo, the most unfortunate girl of the universe. Takeo goes to school and lives alone in an inn called Hyakkisô (the manor of 100 demons). The life of the young Takao will begin to change the day she sees the youkai...
From Viz: The series begins with the story of Seiya, the main hero, who is one of Athena's Knights. Seiya, along with the other Bronze Knights, must train hard to earn their "Cloths," and take on other challenges as well. Knights of the Zodiac (Saint Seiya) has been a hit in Japan (where it is known as simply Saint Seiya), as well as many European countries including Spain, France, and Italy.
from wiki: The series follow a young girl named Rakka, a newly arrived haibane (an angelic-looking being), and other characters in the city of Glie (guri), a walled city with one entrance where no one is allowed to leave. Also contains a side story written after the end of the anime. It shows the relation between Reki and Nemu (and Hyouko) after the departure of Kuramori. The colour illustrations are those supposedly by Reki. One is a scenery in her dream and the other is the portrait of Kuramori.
Ryu Shinjo is a student who is invited (forced) by his best friend to enter the world of virtual and online role-playing games (VRMMORPG). During the game and when choosing his class, Ryu decides to become a "priest", through which he can regain his health through magic and thus play alone. However, his playing style is far from what you would call a "normal priest". It is time to learn the story from Ryu, the priest who instills terror into anyone who dares to stand in his way.
The Soaring Dragon Continent is a world of summons, you can only become strong if you become a summoner! Yue Yang, an average high school boy, was suddenly transported into this world. When he woke up, he was greeted with a lot of worried faces and found out that he had assumed another person’s identity. Turns out he’s the good-for-nothing third son of the Yue Family, who had just recently drowned himself because of a failed engagement. Unlike the third son of the Yue Family who was useless in summoning, Yue Yang succeeded in making a contract with a summoning grimoire on his first try, even when the other guy failed for the past fifteen years. Others would have a headache making contracts with beasts afterwards, but countless beasts tried to gain favour with Yue Yang instead, acting like a good kid before him. Yue Yang the brat, however, didn’t feel grateful at all: “Scram, Mythical Beasts! Do you think you are cool like that? Go away from me now, I only like beautiful summons!” Even when royal families approached him for his talents, the shameless brat replied, “I’m not interested in government stuff, I’m only interested in beauties!”
From RebelliousArt: Risky is an apprentice shinigami who collects souls. Safety is an apprentice angel who saves souls. Due to some accident, Risky and Safety are now magically stuck into one body.
Tsugawa Tatsuya just lost his parents in an accident... but he's trying not to let that keep him too down as he starts high school. While trying to obey his father's final wish for him to become an upstanding man, he ends up helping a girl who was being bullied. Despite her exceedingly cold nature, he just can't leave her alone... which may not necessarily be to his benefit, as he ends up getting wrapped up in a world where things like parasitic mind-controlling bugs exist...