Somewhere in Tokyo, there is a room. In that room is a black sphere. Periodically, people who should otherwise have died are transferred to the room. There, the sphere gives them special suits and weapons, and sends them out on a mission to kill aliens here on Earth. While these missions take place, the rest of the world is largely oblivious to them. These missions are lethal - few participants survive them. The sphere calls the shots, and it is not the slightest bit nice. Its name... Gantz.
Ecchi
Shirahama Kenichi is a book lover who has just entered high school, but he is often bullied by others. One day, he became good friends with the new transfer student, Fuurinji Miu, who was also looking for a friend. Kenichi was shocked at how powerful she is at first, but he is still somehow attracted to her...
Kyoubei Kurokawa, university student, has an aimless life. Having run away from home to live alone he doesn't even have a place to sleep. One day he was saved from falling off a bridge by Asumi Nanjou, a mysterious girl from the same university, that takes him to her apartment to treat his wounds. When she finds out about his situation, Nanjou decides to let him live on her house, on one condition: he'll be an invisible man. Bewildered at first, he later finds out what she meant: she'll completely ignore his existence.
For his beloved younger sister's treatment, Shinomiya Ryouma is working frantically to raise a billion yen while going to high school. One day, a mysterious woman asks him, "Can you put your life on the line for what you desire?" and after receiving a ticket from her, an accident befalls him! When he wakes up, he finds he's turned into a girl and what's more, he's participating in a "game" where a win means he can reverse his fate but a loss means he'll die instantly! (Euthrosyne)
The manga of the popular Light Novel series of the same name: Sisti attends a magical academy to hone her skills in the magical arts, and hopes to solve the mystery of the enigmatic Sky Castle. After the retirement of her favorite teacher, the replacement, Glen, turns out to be a tardy, lazy, seemingly incompetent bastard of an instructor. How was it that Glen was hand-picked by the best magician in the academy!?
Haruma's first impression of the new transfer student, Chitose, would be striped panties. Running into her in the hallway, Chitose's panties greet Haruma before they even know each other. Immediately, Haruma finds himself attracted to this mysterious panty girl, only to find out that she is transfering into his class AND she's going to be the new house keeper at his apartment. Let the skirt flying romance comedy begin.
After Shinozaki Haruka confesses to the Class Rep, Kousaka Akiho, he comes to find that the perfect class representative might be a little bit harder to handle than he previously thought!
The "new sibling romantic comedy" revolves around Masamune Izumi, a light novel author in high school. Masamune's little sister is Sagiri, a shut-in girl who hasn't left her room for an entire year. She even forces her brother to make and bring her meals when she stomps the floor. Masamune wants his sister to leave her room, because the two of them are each other's only family.
When Jun’ichi Hashiba is forced by his friends to ask out one of the school’s gyaru, a girl named Yame Yukane, all in the hopes of losing his virginity, she surprisingly accepts! So how will these two interact when their personalities couldn’t be more opposite and what will Juni’ichi do when Yame appears to take their relationship more seriously than he originally planned?
A new infection has spread around the planet, that turns people into undead. The story begins a few minutes before the first recorded case, and shows the struggle of six young to survive this new world.