Rubuta ci gaba don wannan sakin layi - Haruna ya fara horarwa tare da kungiyoyin Kungiyar Ice Hockey ta Japan nan da nan bayan ya yi ritaya daga wasa a shekarar 2016. Ya yi aiki a matsayin kocin mai tsaron gida (wanda aka rubuta a matsayin mataimakin kocin) ga tawagar 'yan mata a gasar cin kofin Olympics ta 2018, Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin Wasannin
, da kuma 2021 IIHF World Championship; ga tawagar 'yan wasa ta maza a gasar neman shiga gasar Olympics ta 2018, 2018 IIHF World Championship Division IB, 2019 IIHF World Championship Division IB, da kuma gasar neman shiga gasar Olympics ta 2022; da kuma mata na kasa karkashin 18 a 2018 IIHF World U18 Championship Division IA da 2019 IIHF World U18 Championship, ban da horar da kungiyoyin uku a wasanni daban-daban na kasa da kasa da kuma wasanni.