Sato is an employee conducting a survey in front of Sendai Station. Saki takes the survey and the two ultimately become a couple. 10 years later, Sato proposes to Saki on the occasion of their 10th anniversary.
Set three decades prior to 'Echo 8,' the prequel 'Five By Five' unveils the enigmatic Agent 5's grief-stricken existence and his gradual spiral into chaos white climbing Zodiac's hierarchy.
After the occurrences of 'Echo 8,' Anna finds herself pursued by lethal Zodiac operatives tasked with her termination. Living off-grid, she shields her mother from a distance. However, her identity is exposed when she crosses paths with a group of misfits.
