Seven Seas Licenses ‘Tonight, I Have a Date with a Serial Killer’ Manga & 3 Exciting New Titles
Dive into 'We Are Not Beasts & Perfect Addiction' manga and explore the enchanting world of 'Fluffy Café in Another World' novel and manga licensed now.

Seven Seas Announces Exciting New Manga and Novel Licenses
Seven Seas has revealed a fresh slate of licenses coming soon—ranging from thrilling mysteries to heartwarming isekai tales and romance. Here’s an overview of the latest titles announced:
Tonight, I Have a Date with a Serial Killer
- Japanese Title: Konya mo Serial Killer to Machiawase
- Format: Manga
- Creators: Written by Kon Iguchi, illustrated by Yūji Nakamura
- Release Date: March 2026
Summary:
Police officer Shiro Isogai is haunted by the tragic murder of his fiancée and spends every day chasing clues. When a new informant helps the police uncover serial killers, Isogai sees hope for justice. Teaming up with the mysterious ally—revealed to be a young woman named Kuroi Hinata with a "sixth sense"—Isogai embarks on a tense hunt for the city's deadliest criminals.
We Are Not Beasts
- Japanese Title: Ore-tachi wa Kemono Janai
- Format: Manga
- Creator: Shoko Rakuta
- Release Date: March 2026 <br>(under Seven Seas’ BL Label)
Summary:
High school brothers Onizuka Raita and Fuuta are known as fierce alphas, both smitten with the seemingly delicate omega, Kazusa. But Kazusa, driven by justice, craves strength and independence. When he experiences his first unexpected heat, everything changes—especially after learning his fated mate may be closer than he ever realized.
Fluffy Café in Another World
- Japanese Title: Isekai Mofumofu Cafe
- Formats: Light Novel (digital only) & Manga
- Creators:
- Punichan (light novel author)
- Tobi (light novel illustrator)
- Yū Takaoka (manga artist)
- Release Dates:
- Light Novel: April 2026 (digital only)
- Manga: March 2026
Summary:
After dying while saving a mysterious cat—actually a god in disguise—salaryman Arima Taichi is granted powerful abilities and a new life in a magical world. His only dream? Opening a café filled with the fluffiest creatures around in this heartwarming isekai adventure.
Perfect Addiction
- Format: Manga
- Creator: Kaoruko Miyama
- Release Date: February 2026 <br>(under Seven Seas’ BL Label)
Summary:
College student Akihito is obsessed with appearances but can't stand the aloof and attractive Sae. After a humiliating experience, he discovers Sae's secret: Sae is gay and struggling with intimacy. Their ensuing relationship sparks a challenge and a passion neither anticipated—leaving them wondering if they can ever go back to how things were.
Audiobook Release Announcement
Seven Seas will also begin releasing audiobooks of Yomu Mishima and Nadare Takamine’s light novel series, I'm the Heroic Knight of an Intergalactic Empire!, under its Siren imprint. The first volume will be available starting June 12.
Source: Press release