Otaku Hero takes the girls behind enemy lines in Shibuya to find an elderly collector with a drug that amplifies magical powers. The collector agrees to provide the drug in exchange for a rare figurine set locked away in the SSC base at Nakano Sunplaza.
Vacuum tube?
أنبوب تفريغ؟
Vakuumröhre?
¿Tubo de vacío?
¿Tubo de vacío?
Valvola termoionica?
Válvula termiónica?
Радиолампы?