In the year 2030, the secrets of the universe has been unraveled and visitors from various planets have appeared on Earth. In order to avoid sudden contact with other world civilizations, the Earth Alliance limited the area of trade and built a huge populated island called "Dejima" in the southern part of Okinawa, Japan, bordering Taiwan. The aliens are prohibited from stopping at ports other than Dejima, but various crimes began to occur frequently on Dejima, where different civilizations and values were mixed. In order to protect the security of the area, the Dejima Police of the Earth Alliance, the Federation Police of the Space Alliance, and a mixed force of aliens and earthlings were established. This was the "Gundragon". Gundragon's investigator, Sigma, stopped a runaway truck carrying smugglers. On the back of the truck, a Mumerian from a water planet, who commits suicide to protect its secret. Sigma sneaks into a tavern in search of his friends, where he finds a Mumerian and a small black hole, which is forbidden by the United Space Federation... (Source: Art Technika, translated)

Kusaka Kouichi is a high-school student with an ero mangaka as his older sister. He lead a pretty ordinary life until summer vacation hit and he found out that his childhood friend, Mia was a succubus. Not only a succubus, she was inexperienced and would be in deep trouble if not trained. As time dragged on, more and more people around Kusaka turned out to be clueless succubi. Now begins the quest to teach them all the ways of the succubus!

Kanazuki Sara, an elementary school student, meets Ushio Hayama, a boy who is an excellent swimmer, on the coast of Izu. He has the ability to attract fish. However, after being involved in an accident during a typhoon, he loses his mysterious ability along with his memories from before the accident, and has since moved to Tokyo. Eight years later, the two meet by chance on the high school campus. However, Ushio now has a fear of water and has lost his memories.

Lady Red is an inept female crime fighter who discovers that prostitution pays better money.

Unproductive swimming club attempts swimming activities.

Masamichi Kusano, a high school boy and Buddhist monk, is assigned to eulogize his classmate Eri Takegahara, a gal who died in an accident. However, her ghost, energetic as ever, is still hanging around!? I can do whatever I want, even when I'm dead! A super-positive comedy about living the afterlife! (Source: Tonari no Young Jump, translated)

[Google Translated] The time is Reiwa 9th year. A 16-year-old boy, Kan Kirigatani who longs for defects moves to Tokyo in the city of Shibuya, which has become a completely peaceful city due to the downtown purification policy. In the center of the center town, I was desperate for love and peace in Shibuya, but in the basement there was still a fierce battle for supremacy by the bad guys! The latest Yankee series presented by the authors of "Samurai Soldier" and "Former Yang"!

After his death, Tokugawa Ieyasu wakes up in the present day in front of the Toshogu Shrine. Now he can live an easy leisurely life, with help from the high school girls who work there as part-time shrine maidens.