Berry is a girl living in the data-managed city of Tom Sawyer Island. Her hobby at the moment is trying to catch Phantom Zero, who's believed to be behind the cases of Love loss known as the Zero Phenomenon. One day, when she heads into town to get the broken Deco in one of her eyes fixed, Berry runs into a kid who seems like a ghost, due to being unable to be seen with Deco. Suspecting she may have finally found the Phantom, Berry begins her chase.
having them implanted in 
both eyes by the age of four.
بزرع ذلك في كلتا العينين عند سنّ الرّابعة
wurden sie im Alter von vier
in die Augen implantiert.
de tous les enfants
de moins de 4 ans.
che il 97% della generazione attuale
ha ricevuto prima dei quattro anni.
os implantou nos olhos antes
de completar quatro anos.
имплантируют Деко
до достижения четырёх лет.