The top of the immortals, proud of the world, as long as my ancestor An is there, there is the sky. There are three million sword immortals in the world, and they must bow their heads when they meet me. As a sword immortal, I should suppress all enemies in the world. Who claims to be invincible, who claims to be undefeated?

In the detective business, everyone knows the name Keiichirou Nagumo. Back in high school, he was called a genius for cracking tough cases that even the police could not solve. But those days are long gone—or so the rumors say. However, one day, an unexpected visitor barges into his office: Mashiro, an energetic high school student who demands to be hired as his new assistant. Although Keiichirou tries to brush her off, Mashiro is persistent. She is determined to become a detective, and to prove her worth, she begins by teaching him about the latest technology and offers a fresh perspective on his business. Thus, Keiichirou takes Mashiro on as his assistant and embarks on a brand new chapter in his career—one where he finds himself constantly surprised by the modern generation of detectives.

After the success of his crowdfunded movie featuring the woman of his dreams, Chizuru Ichinose, university student Kazuya Kinoshita resumes his life of lies and deception. Although he pretends that he has been in an ideal relationship with Chizuru for more than a year, Kazuya still mostly sees her through a rental girlfriend company's services. However, after Kazuya attends a private party with Chizuru, he reaches the decision to finally confess his feelings to her. Unfortunately for him, his trial girlfriend Ruka Sarashina and his ex-girlfriend Mami Nanami continue to complicate his already messy attempts at romance. While he is forced to keep up his facade, Kazuya is under pressure to find a solution to his ever chaotic love life.

At an elite all-girls' academy where refined young ladies gather, Lilisa Suzunomiya, now the daughter of a real estate tycoon after her mother remarried, is forced to abandon her guitar and rock music to fit in. However, her passion is reignited by sounds from the old school building, where she meets a skilled drummer who shares her love for rock. Together, they embrace their inner rockstars, elegantly clashing and shouting their way through the academy in this captivating tale of grace and rebellion.