▁with ▁F ang ▁Yu ▁becomes ▁complex ▁after ▁Er ha o ▁disco vers ▁that ▁his ▁past ▁child hood ▁love , ▁Key un , ▁once ▁had ▁his ▁child ▁and ▁is ▁now ▁ment ally ▁disabled . ▁At ▁the ▁beginning ▁of ▁the ▁series ▁Er ha o ▁h ated ▁Y ip ing ▁but ▁for ▁the ▁sake ▁of ▁F ang ▁Yu ▁he ▁tried ▁hard ▁to ▁make ▁peace ▁with ▁Y ip ing . ▁He ▁was ▁able ▁to ▁put ▁aside ▁his ▁hat red ▁towards ▁Y ip ing ▁and ▁grew ▁to ▁love ▁and ▁accept ▁her ▁as ▁his ▁sister ▁and ▁part ▁of ▁the ▁family . ▁Er ha o ▁later ▁en lists ▁in ▁the ▁army ▁as ▁well ▁leaving ▁F ang ▁Yu ▁waiting ▁for ▁him . ▁▁ ▁F ang ▁Yu ▁( 方 <0xE7> <0x91> <0x9C> ), ▁played ▁by ▁Li ▁Yu ▁The ▁best ▁friend ▁of ▁Y ip ing ▁who ▁falls ▁in ▁love ▁with ▁Y ip ing ' s ▁half - bro ther , ▁Er ha o . ▁Y ip ing ▁is ▁at ▁first ▁against ▁F ang ▁Yu ' s ▁relationship ▁with ▁Er ha o , ▁especially ▁after ▁finding ▁out ▁about ▁Key un , ▁but ▁F ang ▁Yu ▁continued ▁to ▁love ▁Er ha o ▁despite ▁comp lications ▁in ▁their ▁relationship . ▁ ▁Support ing ▁Cast ▁ ▁Li ▁Key un ▁( 李 可 雲 / 李 可 云 ), ▁played ▁by ▁X u ▁Lu ▁The ▁daughter ▁of ▁Li ▁Zh eng de ▁and ▁Li ▁Y uz hen , ▁Key un ▁had ▁a ▁child hood ▁rom ance ▁with ▁Er ha o ▁which ▁resulted ▁in ▁a ▁pre gn ancy . ▁She