On June 29, 2025,Sirens Won’t Sing For You, a new fantasy romance adventure was released on the world-famous Manga Plus app,where fans can read some of the best shonen titles. The manga takes a unique and exciting approach by combining tropes from various genres, like romantic moments, heated battles, and mythical creatures.
While it is still in its early stages,the series does demonstrate a lot of potential, as proven by the first chapter. This series, created by Reiji Agasa, promises to bring excitement, drama, and much more to fans with each new entry. If done properly, it could become a massive hit among romance manga readers.

A New Romantic Fantasy Adventure Begins in Shonen Jump
Fans Will Never See Sirens in the Same Way
Sirens Won’t Sing For Youis a new series written and illustrated by Reiji Agasa, known for his previous workAt God’s Mercy, published on Shueisha’s Manga Plus site. The series follows a high school student named Kanoha Takanashi, who, despite her sweet appearance, is a modern-day siren. According to the series, these legendary creatures have evolved to stop eating humans, unlike in ancient myths. They have also lost most of their bird-like features, with the only supernatural aspects of the protagonist being her ability to use sound as a weapon and a pair of wings.
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Even though Kanoha is by no means a regular siren, she is still dangerous to one person in particular; her crush and classmate, Kei Shibuya. When she was young, the main character was warned by her mother to never fall in love, as sirens only feel the need to eat the love of their lives. Nonetheless, Kanoha attempts to confess to Kei, only to get rejected immediately. This heartbreaking event leads the siren to learn a shocking truth about her crush, one that will change both their lives forever.

The Series Will Combine Humor, Action, and Romance
Kanoha’s Journey Will Be Truly Unique
Chapter #1 ofSirens Won’t Sing For Yougave fans a taste of what they can expect in future entries. Although brief, this first adventure perfectly sets the tone that the author wants for the story. The world of the series isone where fantastical creatures coexist with humans, albeit secretly. While romance will undoubtedly be the focus of the story, this small change makes it different from most other manga of this genre. Agasa’s work has also included many traits from shonen, by having the main characters fight against mythical criminals.
It is not often that action, comedy, and romance are all mixed to tell a story, butSirens Won’t Sing For Youseems to have figured out the strategy to do so successfully. The story and characters could be compared to Rumiko Takahashi’sRanma 1/2,a series that managed to change the lives of millions of fans with its revolutionary approach to shojo. The protagonist is kind and cheerful, yet powerful enough to protect her beloved. Kei himself is a masterful fighter whose personality and motivations will keep the series interesting.
Sirens Won’t Sing For Youhas just begun its publication, meaning that it is the perfect time for fans to start reading it. Although it is still too early to know for sure, Agasa’s manga does seem to have everything it needs to earn a spot as one of the most interesting new manga.