It's not Easy to be a Man after Traveling to the Future summary:

Area 51 summary:

Tokyo Immigration summary:
An up-and-coming genius throws down his gauntlet! Frenetic & violent sci-fi buddy action!
Meet the high school girl duo Line and Ann! Their job is to crack down on evil illegal aliens living on Earth, as agents of the Planetary Immigration Bureau!

Dai Dark summary:
A space series about a protagonist who continually fights against all the aliens who are trying to take his life.

Ryuu summary:
After having vivid daydreams of a barren and far off world, a teenage delinquent finds himself transported to this world after a near fatal accident. a 1986 series by Masao Yajima and Akira Oze

Description :

I am Shark girl. I love Sharks. Shark Punch! Shark Punch! Shark girl is a bit shy.

Even If the World is Over it's Fun to Live summary:

In July 2096, the summer event of the year for the national magic high school competition, known as the Nine Schools Competition will be held. However the rules for this Nine Schools Competition are different from previous years.

City of Dead Sorcerer summary: