OP Center (1995)

Considered a genius due to having the highest grades in the country, Miyuki Shirogane leads the prestigious Shuchiin Academy's student council as its president, working alongside the beautiful and wealthy vice president Kaguya Shinomiya. The two are often regarded as the perfect couple by students despite them not being in any sort of romantic relationship.

Our MC finds out that his school requires him to join a club and during his reluctant search he stumbles upon Tejina-senpai attempting magic tricks in her clubroom. Tejina-senpai has massive stage fright however and so now that she has an audience her attempts are simply comedic.

Kousei Arima was a genius pianist until his mother's sudden death took away his ability to play. Each day was dull for Kousei. But, then he meets a violinist named Kaori Miyazono who has an eccentric playing style. Can the heartfelt sounds of the girl's violin lead the boy to play the piano again?

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!

Nariyuki Yuiga is in his last and most painful year of high school. In order to gain the “special VIP recommendation” which would grant him a full scholarship to college, he must now tutor his classmates as they struggle to prepare for entrance exams. Among his pupils are “the sleeping beauty of the literary forest,” Fumino Furuhashi, and "the Thumbelina supercomputer," Rizu Ogata–two of the most beautiful super-geniuses at the school! While these two were thought to be academically flawless, it turns out that they’re completely clueless outside of their pet subjects…!?

Sattawat is a doctor whose mother has a gambling addiction, and Anusaniya's family owns a wealthy company. Sattawat's mother owes a lot of money to Anusaniya's company and in order to erase the debt, Sattawat's mother and Anusaniya's aunt cook up a plan to marry Sattawat and Anusaniya to each other to get rid of the debt. Anusaniya's half-uncle, Chayakorn, breaks up with his girlfriend, Somika, and reveals his love for Anusaniya. Anusaniya, not wanting Chayakorn to have any hope, agrees to marry Sattawat. Desperate Somika falls for Sattawat but finds out that he belongs to Anusaniya, her greatest rival. In vengeance, Somika tries everything to split the couple.

Natsuo is a high school boy who is experiencing the crushing despair of unrequited love. To make matters worse, the person he is in love with is his teacher, Hina. In an attempt to lift his spirits, he attends a mixer where he meets a girl named Rui. The two sleep together, expecting never to see one another again, but fate has other plans. His life suddenly becomes more complicated when his father comes home and announces he has remarried a woman with two daughters whom Natsuo has met before: Hina and Rui!

In a post-apocalyptic world dominated by the so-called "Numbers," each human will have their identity branded with their own "Count," which could define any number related to their life. May it be one's walked distance or amount of compliments given to them by others, this Count could lead them to the abyss when it has dropped to zero. In the year 305 of the Alcian calendar, Hina has inherited a mission from her Mother, whose Count has depreciated to zero, to search for the Legendary Red Baron. In her adventure, she meets a half-masked swordsman named Licht who tries to hide his identity, as he is known as a degenerate for having an incredibly low Count.

Grigio Academy Boarding School. Students who attend this school in two countries and reside in their own dormitories. Inazuka and Persia are rival dormitory leaders, but in secret they love each other. Now, they have to keep their relationship a secret from their dorm mates, or ruined things will happen to them.

Advanced placement into a school of higher grade proof-reading is determined by the results of the Promotion Test strictly for class type. Ranging from A class with the best facilities anyone can offer all the way down to F Class which is composed of low dining tables, rotten tatami mats and other worn out facilities. Students can change classes by competing using the Examination Summons Battle system or ESB. Students summon characters with their equivalent test mark scores and use them to compete with other classes.