In the continent of Longmai, thousands of clans stand tall, countless sects exist, and cultivation is the way of life. The strong can do anything they want while the weaklings live like ants. Youngster Chen Feng has an incomplete dan region, causing him to be unable to cultivate, he withstood countless sneers directed at him. Until he obtained a mysterious dragon bloodline, breaking out of his cocoon and opening a new chapter to his life! Coquettish demonic fox spirits, cold female emperors, demon girls or princesses from a prestigious clan, all of them jump into my embrace. With the unparalleled inheritance, I will manifest the strongest martial spirit, obtain all the beauties and look down from the heavens.

The story tells the tale of Semi, a bright girl who goes in a magical time journey with the genius teacher Wai, in order to prevent the evil X from utilizing the powers of the magic cube for evil. Along the way, Semi and her math school friends run into history and math problems that they must solve with logic and wit.

Upon witnessing a man's head cracked open with an axe, 16-year-old Yuri Honjou trembles in fear and confusion as she flees from the masked assailant, only to find out she's trapped in an abandoned building where every door is mysteriously locked. Desperately searching for a way out, Yuri runs to the rooftop, but a world with no signs of life stands before her, surrounded by high-rise buildings. Though filled with despair, once she learns that her brother is also in this strange place, Yuri is determined to find him and escape. However, she soon finds that there are more masked murderers in the area, anxious to terrorize their newfound victims and satiate their sickest desires, leaving Yuri to question if they will be able to make it out alive. [Written by MAL Rewrite]

Founded in the Taisho era, the "Red Flower Opera Company" attracts people's hearts across generations on a beautiful and gorgeous stage created only by unmarried women. The 100th generation students who have passed through a high magnification and entered the "Red Flower Opera Music School" to develop the human resources. Sarasa Watanabe, an innocent girl with a height of 178 cm who longs for "Oscar-sama." Ai Narada, a former national idol who is indifferent to everything, both dreams and friends. The music school life full of hope and conflict, where everything is disjointed, is about to begin! (Source: MAL News)