Heroine Idol

異世界ヒロインのアイドルプロジェクト

The main character starts doing jobs for his uncle who is the head of an entertainment company. He discovers a passed out woman and just as he's about to help her, more girls start coming out of a portal. And then... his uncle decides to make them idols! (Source: TOPTOON+) Note: Chapter count includes a prologue.