Resolved to become a more independent person, Yukino Yukinoshita decides to smoothen things out with her parents, and the first step toward achieving that goal is to prove herself. As graduation draws closer for the third-year students, Iroha Isshiki—the president of the student council—requests a graduation prom in collaboration with the Volunteer Service Club. Yukino accepts this request of her own volition, hoping to use it as a chance to demonstrate her self-reliance, but what lies ahead of her may prove to be a hard hurdle to cross. Yahari Ore no Seishun Love Comedy wa Machigatteiru. Kan revolves around the graduation prom as emotions are poured into the preparations for the event. At the same time, a chance for the Volunteer Service Club members to better understand each other presents itself. And thus, Hachiman Hikigaya's hectic and bittersweet high school life begins to draw to a close.

The world says I am incompetent, but who knows that I am actually the greatest swordsman in the world? What does it matter to me if I am a son-in-law, let's see my sword sweep the world and break the sky!

Nihility is the world's greatest catastrophe. Humans can only unite their allies against blessers, monsters from the world of nihility. Shazhou, the continental border, becomes an important line of defense against invaders. A dark force called Shadow of Blessing is looking for the power that has been sealed. Dark Island, the leading state of the human alliance, sends White Wolf Yujia to destroy the dark force. But a mysterious girl called Coral from the world of nihility causes a storm in Shazhou. The red thread of fate connects everyone holding the belief of uncovering the historical truth hidden in nihility. The girl is fighting against her fate beyond her belief, and a romantic legend officially begins. (Source: bilibili Youtube)

Well, in short, the mother looks like she's 14, and the kid is openly in love with her—loli x motha-con. His teacher, too, is in love with her mother, and so the love rivals duke it out in classroom, as well as plotting the downfall of their common enemy, his father. The father has a secretary who is in love with him. But once she discovered that he has such a young wife she turned her attention to his son, who is now torn between his own mother and a naive, motorbike riding girlfriend. (Source: users.skynet.be/mangaguide)