I'm assuming you're referring to the Japanese manga and anime series "Natsu e no Tunnel, Sayonara no Deguchi" (also known as "Tunnel to Summer, Exit of Goodbye").
Final Clearance - 60% off all Robo R1, R2 & C2 parts. Click for info.
I'm assuming you're referring to the Japanese manga and anime series "Natsu e no Tunnel, Sayonara no Deguchi" (also known as "Tunnel to Summer, Exit of Goodbye").