Makoto Kisaragi's Kōhai-kun Dake ga Shitteiru Manga Concludes: What’s Next?
Discover the latest manga launched in April 2023—exciting stories, vibrant art, and must-read series you won't want to miss!

Final Chapter Released for 'Kōhai-kun Dake ga Shitteiru'
Manga Launch and Overview
In April 2023, the manga 'Kōhai-kun Dake ga Shitteiru' (Only My Younger Workmate Knows) by Makoto Kisaragi reached a significant milestone with the release of its three-part final chapter. The manga is published on Square Enix's Manga UP! platform.
Image via Amazon
About the Story
The manga follows Aoi Mizuhara, a 29-year-old office worker who has learned to keep a low profile and focus on herself. Despite her efforts, her colleagues label her as aggressive, distant, and stern. Recently separated from her boyfriend, who revealed he wanted to protect someone else, Aoi finds herself at a crossroads.
One evening, she stops by a bar and strikes up a conversation with a charming playboy. While initially just thinking about her ex, she ends up waking up in bed with him—who turns out to be a colleague from work.
Publication Details
- Launched on Manga UP! in April 2023.
- The first compiled volume was published by Square Enix in December 2023.
Related Works and Adaptations
Kisaragi also created a manga adaptation of the light novel series 'The Strongest Tank's Labyrinth Raids' (Saikyō Tank no Meikyū Kōryaku), originally launched in 2019. The manga's 13th volume was released on April 7.
The manga is available in English through Square Enix's Manga UP! service and Comikey.
In January 2024, an anime adaptation of 'The Strongest Tank's Labyrinth Raids' premiered, with Crunchyroll streaming the series as it aired in Japan.
Sources
Stay tuned for more updates on these exciting manga and anime releases!