▁to ▁other ▁projects , ▁Lee ▁put ▁the ▁production ▁of ▁No ▁Reserve ▁on ▁hold , ▁express ing ▁that ▁without ▁Che ung , ▁he ▁would ▁be ▁unable ▁to ▁continue ▁the ▁franch ise . ▁ ▁In ▁December ▁ 2 0 1 1 , ▁Lee ▁announced ▁that ▁he ▁would ▁consider ▁ret irement ▁after ▁finishing ▁the ▁post - production ▁work ▁of ▁his ▁crime ▁serial , ▁Bul let ▁Bra in . ▁Lee ▁admitted ▁that ▁the ▁uns atisf ying ▁ratings ▁from ▁his ▁ 2 0 1 1 ▁drama , ▁B ott led ▁Pass ion , ▁significantly ▁impact ed ▁this ▁decision . ▁Despite ▁his ▁hopes ▁for ▁ret irement , ▁TV B ▁contact ed ▁Lee ▁for ▁a ▁contract ▁renew al ▁in ▁late ▁ 2 0 1 2 . ▁Lee ▁eventually ▁renew ed ▁his ▁TV B ▁contract ▁in ▁the ▁spring ▁of ▁ 2 0 1 2 ▁after ▁TV B ▁agreed ▁to ▁increase ▁his ▁pay ▁and ▁reduce ▁his ▁work load ▁to ▁one ▁drama ▁serial ▁per ▁year . ▁ ▁Lee ▁began ▁pre - production ▁work ▁on ▁No ▁Reserve ▁in ▁September ▁ 2 0 1 2 . ▁Lee ' s ▁long time ▁collabor ator ▁and ▁Bul let ▁Bra in ▁head ▁writer , ▁I p ▁K w ong - y am , ▁was ▁attached ▁to ▁the ▁script . ▁No ▁Reserve ▁was ▁I p ' s ▁first ▁TV B ▁drama ▁since ▁leaving ▁the ▁company ▁six teen ▁years ▁ago . ▁I p ▁draft ed ▁a ▁pre lim inary ▁script ▁for ▁No ▁Reserve ▁in ▁May ▁ 2 0 1 2 ▁and ▁began ▁officially ▁working ▁on ▁the ▁project ▁after ▁the ▁completion