Giant Ojo-sama Anime Reveals First Trailer, Yu Serizawa and Junya Enoki Lead Voice Cast

Giant Ojo-sama (Giant Young Lady) anime revealed the first trailer, along with the main voice cast. The anime previously confirmed a January 2027 release date. Studio Tatsunoko Production is in charge of the animation.

Based on the manga by Nikumura Q, the comedy follows Oriko Fujido, the daughter of an ultra-wealthy family who receives an entire city as a birthday present. Armed with a giantification drink created by her butler and scientist Dr. Sebastian, Oriko grows to enormous size to defend the city from invading threats, though she often causes just as much destruction herself.

Yu Serizawa voice protagonist Oriko, while Junya Enoki (Yuji in JUJUTSU KAISEN) will play Dr. Sebastian. You can watch the first trailer below.

You can also see the two main characters in the previously revealed teaser visual.

The adaptation will be directed by Hiroshi Ikehata, whose previous credits include TONIKAWA: Over the Moon for You and Tearmoon Empire. Katsuya Oshima will serve as assistant director, with Yu Mitsuya handling series composition and scripts. Hajime Mitsuda is in charge of character designs and serves as chief animation director.

Giant Ojo-sama began serialization on Shogakukan’s Sunday Webry manga platform on July 30, 2021. The series was originally published as a webcomic on Shueisha’s Jump Rookie website on December 17, 2020. The first collected volume was released on November 12, 2021, and as of November 2025, the series has been compiled into eleven volumes. Volume 12 is set to release in Japan on August 10. The official website describes the story:

Fujido Oriko, the daughter of a wealthy businessman, was given a “city” as a present on her fourth birthday. She nurtures and grows the city until one day, a giant enemy appears and threatens its peace. In the midst of the crisis, her butler, Sebastian, hands her a mysterious growth drink, leading to an unexpected transformation. A comedy series where the bigger things get, the more lovable they become.

Source: Nikumura Q Official X
© Nikumura Q / Shogakukan / Fuji Animation Group, Video Public Relations Division