The Bank of Japan (BoJ) is the central bank of Japan. Established under the Bank of Japan Act in 1882, it is a juridical entity and neither a government agency nor a private corporation.

Boj, Rupa and Gavin are trekking for their Ranger survival badges. When Gavin's satnav boots go on the blink, Boj uses a bushcraft boj-a-boom idea to get them all back on track!