Sprite: Between Two Worlds (1997)

The anime follows a salaryman who has a chance meeting with a girl named Ai on the train. They begin to meet every Monday on the train, with the man serving as her bodyguard on the crowded commute while they chat.

This is the story of a boy, who became the lone Adam among four billion Eves. In a world where a pandemic has rendered all men impotent, high school student Itsuki is the exception who escaped it. In order to protect this secret, he transfers to a very special high school, which turns out to be composed of 90% girls! There, he encounters an upbeat and friendly senior, a sexually frustrated female teacher, a tomboyish school 'prince,' and an heiress from a wealthy family. For Itsuki, who has his pick of any woman in the world, the question remains: which one will he choose?

Itsuki Minami is a school student notorious for engaging in street fights, a reckless punk that will break through any obstacle, alongside his best friends Kazuma Mikura and Onigiri. However, when he discovers a pair of Air Trecks his true desire to rule the skies takes off.

Kimito Kagurazaka is an ordinary high school boy who is kidnapped by an elite young lady's academy to be a "sample of the common people." The school is full of sheltered girls who have never met male peers before.

On Earth in the near future, humanity faced imminent destruction from mysterious giant creatures known as "Huge." The entire world unites against the Huge, and successfully develops weaponry known as "CHARM" (Counter Huge Arms) by combining science and magic. CHARM exhibits high rates of synchronization with teenaged girls, and the girls who use CHARM are viewed as heroes called "Lilies." Throughout the world, "Garden" military academies are established to train Lilies to face the Huge and to serve as bases to protect and guide people. Riri Hitotsuyanagi managed to pass the exam to enter the prestigious Garden known as Yurigaoka Girls' School. She entered in an attempt to find Yuyu Shirai, a girl who rescued her in her past. This is a story about Riri and other girls who aim to become Lilies at one such Garden.

Earth faces an unprecedented threat from an invasion by the mysterious Kiseichuu. The Kiseichuu feed on human sexual energy, also known as “H-energy,” and weaken the human population. High school student Retto Enjo is a member of the hero group HxEROS, who fight together to save the earth from the Kiseichuu.

Kurokami Medaka is an exceptional first year student at Hanokiwa Academy who got elected as president of the student council with a smashing 98% of the votes. Extremely intelligent, strong, and rich; she wants to help anyone in need. To do that, she introduces a suggestion box that allows any student to contact her. Later known as the Medaka Box, it will bring forth incredible challenges to Kurokami and her friends of the student council.

Shikimori seems like the perfect girlfriend: cute, fun to be around, sweet when she wants to be… but she has a cool dark side that comes out under the right circumstances. And her boyfriend Izumi loves to be around when that happens!

Ousai Academy is a former all-girls private high school which has recently been integrated for both genders. Takatoshi Tsuda is pushed into becoming the vice-president of the student council, where he is the lone male member surrounded by three beautiful girls.

There isn't a single person in Sakuradamon High who hasn't heard the legends about Seiji "The Mad Dog" Sawamura's demonically powerful right hand. His reputation makes it fairly difficult for him to approach girls, and after being rejected 20 times straight, he half-jokingly vows to finish high school with his right hand for a girlfriend. Much to his surprise, after waking up the next morning, Seiji discovers that his demon right hand has mysteriously turned into a miniature girl, Midori Kasugano, who reveals that she has had a crush on Seiji for the past three years. Because their situation is not ideal for either of them, Seiji attempts to return Midori to normal. But after causing a big misunderstanding at the Kasugano household, the pair decide to keep their predicament between them until a solution is found. Thus begins an odd relationship, and what could be the only chance for Midori to finally be with the one she loves.