The production staff of the anime Rent-A-Girlfriend (Kanojo, Okarishimasu) confirmed through a post on the official website that the 4th season will be divided into two parts . The first part has been confirmed to premiere in July 2025 .
The anime is based on Miyajima , and continues the adaptation of the story through the " Hawaiian Arc ". Although Along with the announcement, the production released a new promotional image , see below:

The new season of the anime focuses on the main characters' trip Hawaii in the United States and has a light and fun atmosphere, to ease the tension after the events of the 3rd season.
Dubbing Production and Cast
TSM Entertainment studio remains responsible for the production of the anime and the dubbing remains the same as the previous season.
Director Kazuomi Koga , who helmed the first two seasons of the anime, is returning for the new season, replacing Shin'ya Une .
Check out the dubbing cast:
- Shun Horie voices Kazuya Kinoshita;
- Sora Amamiya voices Chizuru Mizuhara;
- Aoi Yuki voices Mami Nanami;
- Nao Toyama voices Ruka Sarashina;
- Rie Takahashi voices Sumi Sakurasawa;
- Yu Serizawa voices Mini Yaemori.

Rent-A-Girlfriend Synopsis:
Kazuya Kinoshita was heartbroken by Mami Nanami after a brief, month-long courtship. Heartbroken, he resorts to a dating app and ends up meeting Chizuru Mizuhara, an extremely attractive young woman. During one of their dates, Kazuya receives a call informing him that his grandmother, Nagomi Kinoshita, has fainted and is in the hospital. However, without thinking twice, he takes Chizuru to meet her. Upon seeing Kazuya with a girlfriend, his grandmother is overjoyed, believing he has finally found someone special, something she has always wanted. But to keep her grandmother happy, Chizuru agrees to continue the charade, leading Kazuya to repeatedly rent her to maintain the illusion in front of his family and friends.
Rent-A-Girlfriend is a manga series created by Reiji Miyajima Kodansha 's Weekly Shonen Magazine began publishing the series on July 12, 2017.
Source: Official Website