Bundesliga side Borussia Dortmund have signed Japanese talent Mitsuru Maruoka on a loan deal starting on January 6, 2014. The midfielder, who turns 18 on 6 January, will join BVB from Japanese club Cerezo Osaka on a contract running until 30 June 2015.

The loan deal includes an option for BVB to sign the Japanese player permanently. Maruoka is expected to compete for a place in Borussia’s Under-23 (reserve) side playing in Germany’s third division.