Romantics Anonymous cast: Romantics Anonymous cast and character guide: Who plays whom in the Netflix J-drama?

Netflix's latest J-drama, Romantics Anonymous, premiered on October 16, 2025. It follows the story of two characters who have trouble making interpersonal relationships, but come together due to their love for chocolate.

Based on a 2010 French-Belgian film, the series will depict how the two characters overcome their fears and trauma to form a lasting bond, with chocolate playing an important part in their meeting and life. Directed by Shō Tsukikawa, the J-drama has a stellar ensemble cast that will keep you intrigued in the story.

Here's the cast and character guide of Romantics Anonymous.

Romantics Anonymous cast and character guide

Both the lead characters of Romantic Anonymous suffer from phobias that affect their interpersonal relationships. Furthermore, they both work in the same field, one as the CEO of a chocolate store and the other as a chocolatier. Therefore, chocolate becomes the main element that brings them closer.

The cast and character guide of Romantic Anonymous are as follows:

1) Shun Oguri as Sosuke Fujiwara

Japanese actor Shun Oguri plays Sosuke Fujiwara in Romantics Anonymous. In the J-drama, he becomes the new CEO of Le Sauveur, a popular chocolate shop. Due to a past traumatic event, Sosuke suffers from mysophobia and is not comfortable when someone touches him.

However, he later learns that the shop's Anonymous Chocolatier is the only one who is able to touch him without him feeling uncomfortable. Through their chance meetings, the duo begins to fall in love.

The multi-talented actor has appeared in TV shows such as The 13 Lords of the Shogun, Japan Sinks: People of Hope, and popular films such as Godzilla vs. Kong and Kingdom 3: The Flame of Destiny.

2) Han Hyo-joo as Hana Lee

Korean actress Han Hyo-joo plays Hana Lee, the female lead in Romantics Anonymous. She is the anonymous chocolatier who provided chocolate to Sosuke's store. Like Sosuke, she also suffers from a phobia and is afraid of when people stare at her. However, she is comfortable with Sosuke.

The fan-favorite actress's filmography includes numerous popular shows, such as Moving, Happiness, and W. She has also appeared in Japanese films such as Miracle: Devil Claus' Love and Magic.

3) Jin Akanishi as Hiro Takada

Akanishi's character Hiro Takada is one of the most important characters of the J-drama. He is the owner of a bar called Brush and plays a crucial role in both Hana and Sosuke's lives as he is connected to both of them in some ways or the other.

The Japanese actor is known for appearing in the Hollywood film 47 Ronin, starring Keanu Reeves. He has also been a part of TV shows such as Midnight Taxi 2 and Gokusen 2.

4) Yuri Nakamura as Irene

Another important character from Romantics Anonymous is Yuri Nakamura's Irene. She is a psychiatrist and helps the lead characters in their mental health journey while dealing with her own issues.

The Japanese-born Korean actress has previously appeared in TV shows such as Good Doctor and various films such as Love Mooning and Gekijōban Zero.

Supporting cast and character guide of Romantics Anonymous

The supporting cast and character guide of Romantics Anonymous are as follows:

Ryo Narita as Takashi Fujiwara
Eiji Okuda as Kenji Kuroiwa
Ayumi Ito Motomi Kawamura
Koichi Sato as Shuntaro Fujiwara

Along with the main and supporting cast, guest stars such as Japanese actor Kentaro Sakaguchi and Korean actor Song Joong-ki also appear in the J-drama.