Following the success of Shiny Colors' first concert, Mano Sakuragi and her friends continue to face new challenges. After Straylight, a new unit of 283 Production, makes its debut concert, the members of the units are temporarily shuffled into new groups to prepare for a Halloween event to help them grow individually as idols. While Mano struggles to express her ideas, her fellow unit member Hiori Kazano feels left out by her new comrades' talent. At the same time, Fuyuko Mayuzumi, who has bitterly failed to become Straylight's center, proves completely unable to show her real personality, jeopardizing the entire project in the process. Shiny Colors' producer will have to find a way for Fuyuko to break out of her shell if he wants to see his idol units illuminate the world once more.

It's the end of June, and the summer seems to be locked in place. Tomohiro Izumi, recognized by himself and those around him as an introvert, is spending another quiet day in his little corner of his classroom... or so he thought. "Congratulations! You've been selected as our next student council president!" The student council president lottery, held on the spur of the moment by the academy. Tomohiro manages to be the one randomly selected thanks to his ridiculous luck! Now the spotlight is suddenly upon him, and as a result, rumors about him begin to circulate. With no way out, Tomohiro relies on his advisor to start gathering allies he can rely on. But none of the candidates his advisor suggests, from his classmate Kano to his underclassman Asumi, and even his little sister Hiyori, are even coming to the campus!? Amidst all of this chaos, even the former president that no one could ever get ahold of, Shio, shows up...! Is it fate, or is it a foregone conclusion? The unheard of and unprecedented battles of the "Random Lottery Student Council President" are about to begin!

The old herbivorous dragon, who gets mistaken for an evil dragon, and Reiko, a young girl with miraculous powers, arrive in a totally new country, Asgar, where the herbivorous dragon keeps taking the blame when he gets caught up in an elaborate conspiracy. Even though he just wants to live a peaceful life, the herbivorous dragon is continuously getting stuck in his role as the evil dragon and walks further and further down the road towards overthrowing the demon king.

From a young age, Kurumi Mirai has aspired to become a magician. Driven by her ambition, she has spent her childhood preparing to join the prestigious Rettoran Academy of Magic. Although Kurumi excels in the selection exam, her dream is crushed when she is not chosen for the elite magic class. Admitted to the standard class at the academy instead, Kurumi soon befriends Maki Kumiiru, her new roommate; and Yuzu Edel, another girl unhappy with her placement. However, to everyone's surprise, their homeroom teacher, Minami Suzuki, promises to teach the class magic anyway. Although skeptical at first, the girls start to believe that this may be their second chance at realizing their dreams and becoming wonderful magicians.