Each time Protteser is in trouble , he jumps into the next biggest robot container named Delinger .
The pilot Daigo Otaki controls a small almost human - sized robot container named Protteser .
Each time Protteser is in trouble , Daigo Otaki jumps into the next biggest robot container named Delinger .
The pilot Daigo Otaki controls a small almost human - sized robot container named Protteser .