▁bomb ing ▁of ▁Nag as aki ▁but ▁lives ▁thanks ▁to ▁Koh ▁Hans u ' s ▁support . ▁ ▁Koh ▁Hans u ▁— ▁Koh ▁Hans u ▁is ▁a ▁Korean ▁man ▁who ▁was ▁adopted ▁into ▁a ▁rich , ▁prominent ▁family ▁in ▁Japan . ▁Using ▁his ▁connections , ▁Koh ▁Hans u ▁contin ually ▁st riv es ▁to ▁ear n ▁money ▁and ▁control ▁what ▁he ▁can .   H ans u ▁meets ▁Sun ja ▁in ▁Korea ▁and ▁falls ▁in ▁love , ▁even ▁though ▁he ▁has ▁a ▁wife ▁in ▁Japan . ▁Through out ▁the ▁novel , ▁Hans u ▁util izes ▁his ▁influence ▁to ▁look ▁after ▁Sun ja ▁and ▁her ▁family , ▁helping ▁to ▁keep ▁them ▁alive ▁and ▁well . ▁Hans u ▁is ▁driven ▁by ▁his ▁love ▁for ▁his ▁only ▁son , ▁No a . ▁ ▁No a ▁— ▁No a ▁is ▁the ▁only ▁son ▁of ▁Koh ▁Hans u ▁and ▁Sun ja . ▁He ▁att ends ▁W ased a ▁University ▁in ▁Tokyo ▁before ▁moving ▁to ▁Nag ano ▁in ▁north ▁Japan ▁to ▁start ▁a ▁new ▁life , ▁away ▁from ▁Hans u ▁and ▁Sun ja . ▁He ▁strugg les ▁with ▁identity ▁issues ▁stem ming ▁from ▁his ▁bi ological ▁father ' s ▁associations ▁with ▁the ▁y aku za . ▁ ▁Moz as u ▁— ▁Moz as u ▁is ▁the ▁only ▁son ▁of ▁Ba ek ▁Is ak ▁and ▁Sun ja .   He ▁faces ▁constant ▁bul lying ▁in ▁school ▁and ▁tends ▁to ▁ret ali ate ▁with ▁force . ▁As ▁a ▁result , ▁he ▁is ▁taken ▁into ▁an ▁app rent ices hip ▁at ▁a