School Life

Kishuku Gakkou no Juliet summary:
"To Love, or not to Love" Juliet Percia and Inudzuka Romeo are archenemies. They lead two high-school dormitories from to two rivalling countries. Both factions are dead set on defeating the other to gain control over the island they have to share. Beneath the feuding exterior, however, Percia and Inudzuka long for love and peace for their budding relationship...

Jishou! Heibon Mazoku no Eiyuu Life: B-kyuu Mazoku nano ni Cheat Dungeon wo Tsukutteshimatta Kekka summary:
Welcome to the academy of Demons and Dungeons!

Teiichi no Kuni summary:

Suzume Chiyoyo is a shinobi, but she's also a high-school girl in love. Follow her as she tries to confess to the boy she likes.

The story takes place in an ordinary Japanese town, Fuyuki City. Hidden from society, there has been a deadly war going on in this town. Seven sorcerers known as "Masters" summon powerful familiars called "Servants," and they all fight each other till the last one. The last one is said to attain the Holy Grail, which will grant them a wish. Only a few know when this War started and what the Holy Grail is, but the war is about to begin again this year.

From a young age, Minami Harusumi has had recurring dreams of Veronica, a princess whose kingdom is on the verge of destruction. He believes them to be recollections of his past life, and that he is her reincarnation. Because of this, he is ridiculed by his classmates. One day, when the mockery escalates into bullying, he rediscovers magic—something Veronica had studied and used. Reassured his past life is not merely a fantasy, Minami tries to learn more about his past memories and the reason behind them...

One day, Kouki Nakagawa was determined to declare his love to Ayumi Fujisaki, his childhood friend. Suddenly, a mysterious girl appears before them and mentions that she is Kouki's girlfriend, leaving both perplexed. After trying to talk to Ayumi again, Kouki confesses his love to her; But Jindou, the mysterious girl, appears to warn Kouki that if he does not accept to be her boyfriend and does not forget Ayumi... the world will be destroyed!

A god of a different world had abruptly appeared in Kamiya Yato's classroom and forcibly summoned the entire class to his world... except for him, because he was sleeping in a seat in the corner of the class, the round summoning magic circle didn't reach him, and he ended up staying here on Earth, but with brand-new skills.

Fresh out of high school, Yasaka "Hachi" Hachiki enters the infamous Onigahama manga academy in the hope of becoming a pro mangaka. Well aware of his lack of talent, Hachi soon meets Mikeya Touma, a young prodigy who nonetheless thinks he has a long way to go. Despite the gap in their abilities, an incident suddenly sparks a rivalry between the two of them. Thus begins the tale of Onigahama's students and their merciless struggle to achieve their common dream.

Published in Weekly Shounen Champion.

When he was young, he had failed at the Magic Academy and was looked down by others.

However by chance, he discovered a mythological medicine, so he obtained an immortal body.

In order to get revenge on the people who made fun of him, he began researching magic and magical artifacts different from the academy. After 5000 years of research, he has become an ancient magic user before he noticed. 

The people he was seeking revenge were long gone, losing his purpose, Asley went on a journey to see the world after 5000 years with his familiar Pochi.