"Blue Period," a manga by Tsubasa Yamaguchi serialized in "Monthly Afternoon" (Kodansha), "Heisei Defeated Soldier☆Sumire-chan," a manga by U Satomi serialized in "Young Magazine" (Kodansha), and "Yanineko," a manga by Nyannyan Factory, have collaborated in a mysterious way, transcending the boundaries of their respective magazines.
The collaboration came about thanks to a comment from Yamaguchi, the author of "Blue Period," who said, "I like Yanineko and Sumire-chan," and the collaborative illustration was published in the 26th issue of "Young Magazine," released on May 25th.
It was also announced that limited-edition special merchandise will be released.
