Forever Green (1989)

Goddess Ristarte summons Seiya Ryuuguuin, an OVERLY cautious hero to save the world of Gaeabrande. Seiya is obsessed with muscle training and buying extra armor to deal with low level creatures. It’s simply one cautious mission at-a-time for this hero!

After having descended upon this world, the gods have created guilds where adventurers can test their mettle. These guilds, known as "familia," grant adventurers the chance to explore, gather, hunt, or simply enjoy themselves. The Sword Princess, Ais Wallenstein, and the novice mage, Lefiya Viridis, are members of the Loki Familia, who are experts at monster hunting. With the rest of their group, they journey to the tower of Babel in hopes of exploring the dungeon underneath. Home to powerful monsters, the dungeon will fulfill Ais's desire to master her sword skills, while bringing Lefiya closer to her dream of succeeding Riveria Ljos Alf, vice-captain of the Loki Familia, as the most powerful mage in the land.

After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!

One day, high-school boy Yamada bumps into the beautiful girl Shiraishi on the stairs (literally), and their lips touch as they fall. When they regain their wits, they realize that they have swapped bodies. As time progresses, the two realize that this is not the only mysterious happening in the school.

Stars are everything, granting abilities to Tamers. So when Ivy was born without one, her village took it as an ill omen! Now banished, she leads a lonely life of salvaging rubbish to survive. That is until she befriends Sora, a weak little slime, in the forest. Together, the delicate duo embarks on a heartwarming journey of survival and discovers there’s more to Ivy than being starless.

The dark fantasy follows a high school sophomore named Akihito Kanbara. Although the boy appears human, he is half Youmu and invulnerable to wounds because he can heal quickly. One day, Akihito meets freshman Mirai Kuriyama when it seems she is about to jump from the school rooftop. Mirai is isolated because of her ability to manipulate blood, which is considered heresy among members of the spirit world. Disturbing events begin to unfold after Akihito saves Mirai.

Prince Wein is ready to commit treason. And who can blame him? Faced with the impossible task of ruling his pathetic little kingdom, this poor guy just can't catch a break! But with his brilliant idea of auctioning off his country, this lazy prince should be able to retire once and for all. Or that was the plan...until his treasonous schemes lead to disastrous consequences-namely, accidental victories and the favor of his people!

Oreimo follows the daily life of an ordinary high school boy named Kyousuke Kousaka. Kyousuke’s younger sister Kirino is a pretty fashion model, but also hides a dark secret of being an otaku of adult games. Kyousuke is the only person to whom Kirino reveals her hidden obsession and other issues.

Ichiro Sato is about as average as a student can get... except for his above-average ability to land himself in totally awkward, intensely risqué situations with his no-nonsense teacher, Kana Kojima! Ichiro has his hands full dealing with these steamy shenanigans and unexpected encounters in the most unlikely places. At least it can’t get any worse, right?

The fleeting and sad story about little girls known as fairy weapons and an associate hero that survived. This is a world after it was attacked by unidentified monsters known as beasts and many of the species in the world, including humans, had been destroyed. The species that had managed to survived left the ground and were living on a floating island called Regal Ele. Willem Kmetsch wakes up above the clouds 500 years later and couldn’t protect the ones who he wanted to protect. Actually, he was living in despair because he was the only survivor.