Mission: Yozakura Family manga volume 14 features story and art by Hitsuji Gondaira.

The family receives a shock when Kyoichiro goes off on his own, leaving a mysterious note that says not to look for him! Convinced he really ran away, the family uses all their sophisticated spy powers to track him down. But Kyoichiro had a reason to leave - he faces a ghost from the past that could destroy the entire family!