Manga like VTuber no Ending, Kaitorimasu.

Watashi no Arika

Also known as When Arika Went Missing.

Status: Finished
Genres: Mystery , Thriller

An idol industry thriller by the author of Burn the House Down, Moyashi Fujisawa, and the up-and-coming winner of the Tetsuya Chiba prize, Kumakuzu! Arika Mamiya, the face of the idol group Lyrical Trick, suddenly disappeared without a trace one day. Now it has been over a year since then and her disappearance remains a mystery. Meanwhile, in a bid to promote the group, LT decides to hold an audition for the third generation members. Among the candidates is a blond girl named Nana Miyajima, who stands out from the rest of the crowd. It turns out she is actually Arika's best friend who has infiltrated the idol group to uncover the truth behind Arika's disappearance!

Tags: Idol , Female Protagonist , Seinen , Tragedy , Ensemble Cast , Primarily Female Cast , Revenge , Primarily Teen Cast , Otaku Culture , Drugs

Polaris wa Kienai

Status: Finished
Genres: Drama , Mystery

Two years after the death of the idol Sora Tajima, who was the center of the idol group Polaris, people are gradually forgetting about her. High school girl Mizuumi Tachibana can't accept this, and attempts the impossible in order to prove the existence of a "God". In a world where likes are everything, she will create the eternal idol.

Note: Note: Chapter count includes the prologue, epilogue, and 2 extras.

Tags: Female Protagonist , Tragedy , Idol , Shounen , Urban , Male Protagonist , Blackmail , Otaku Culture , School