Mission: Yozakura Family manga volume 15 features story and art by Hitsuji Gondaira.

The Yozakura siblings finally manage to track down the missing Kyoichiro. Taiyo rushes to join them, but something is clearly wrong with the eldest brother! Infected by the Yozakura family First Head's poison, his body is sprouting poisonous cherry blossoms. The siblings spring into action to save their slightly annoying but beloved brother!