Series by 立川恵

Fifth-grader Yuuki Wakasa is an ordinary girl with a loud, outgoing personality, caring for her three brothers in a bustling household. One day, a mysterious red stone falls from the sky into her hands, granting her the ability to travel between the real world, Nakatsukuni, and the dream world, Takamagahara, when she sleeps. In Takamagahara, Yuuki learns she is the "Horizon Girl," destined to save the sun goddess Amaterasu from a looming threat that could plunge both worlds into darkness. Joined by four other stone bearers, Yuuki embarks on a fantastical adventure to protect nature and restore balance.

Mink Shiraishi, an ordinary junior high school student with dreams of stardom, stumbles upon a mysterious CD-ROM meant for her favorite band, Jagunna. Instead, she discovers "WANNA-BE," a futuristic software that transforms her into her ideal self: Cyber Idol Mink. With the help of her tech-savvy friend Kanoka and idol-obsessed friend Mahoko, Mink navigates the dazzling yet treacherous world of fame, all while keeping the illegal software's origins—a secret from the year 2099—under wraps. As her alter ego skyrockets to popularity, Mink faces rivalries, scandals, and the risk of exposure, testing her resolve and friendships.

By day, Meimi Haneoka is an ordinary middle school girl attending St. Paulia's Academy, but by night, she transforms into the mysterious phantom thief Saint Tail. With her best friend Seira, a nun-in-training, Meimi uses her inherited magic skills and clever disguises to help those in need, stealing back ill-gotten gains for their rightful owners. Hot on her trail is her classmate Daiki "Asuka Jr." Asuka, an aspiring detective determined to catch Saint Tail—unaware of her true identity. As their cat-and-mouse game unfolds, unexpected feelings begin to bloom.