1. A new spinoff manga for the popular series "Kaiju No. 8" has been announced. The spinoff, titled "Kaiju No. 8 Side Stories," will feature stories focused on the supporting characters from the main series. The announcement of the spinoff comes as the main "Kaiju No. 8" manga continues to gain popularity and acclaim.

2. The "Kaiju No. 8 Side Stories" spinoff will be written and illustrated by the original creator of "Kaiju No. 8," Naoya Matsumoto. The spinoff will be published in Shueisha's Monthly Shonen Jump+ digital magazine, with the first chapter scheduled to release on April 18, 2023. The spinoff is expected to provide fans with additional insights and character development beyond the main narrative.

3. The "Kaiju No. 8" series has been praised for its unique premise, engaging storytelling, and well-developed characters. The announcement of the spinoff manga suggests that the series' popularity continues to grow, and that the creator is eager to further explore the world and characters of "Kaiju No. 8" through additional content. Fans of the series are likely excited to delve deeper into the supporting cast and learn more about their stories and roles within the larger narrative.