Along with its 815 yen regular edition, the seventh volume is set to be released in Japan on March 29, 2019.
The OAD is based on “Youth,” one of the manga’s popular episodes focusing on Hanako and Taro’s high school days.
Publisher Ichijinsha has posted its package illustration drawn by the anime character designer Takahiro Yasuda featuring the episode’s two protagonists, Hanako Koyanagi and Taro Kabakura.