Here is scenario in which NC wins 72 additional games (94 total) but does not reach the postseason.

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
          Hanwha	95	47	2	0.6690	0.0
              KT	94	47	3	0.6667	0.5
           Lotte	94	47	3	0.6667	0.5
              LG	95	48	1	0.6643	0.5
         Samsung	93	47	4	0.6643	1.0
              NC	94	48	2	0.6620	1.0
             SSG	56	87	1	0.3916	39.5
             KIA	44	99	1	0.3077	51.5
          Doosan	31	110	3	0.2199	63.5
          Kiwoom	14	130	0	0.0972	82.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	32	17	1	94	0.653	0.0
          Hanwha	30	20	0	94	0.600	2.5
           Lotte	29	20	3	92	0.592	3.0
             KIA	24	24	0	96	0.500	7.5
              KT	24	24	3	93	0.500	7.5
              NC	22	22	2	98	0.500	7.5
             SSG	24	24	1	95	0.500	7.5
         Samsung	24	26	1	93	0.480	8.5
          Doosan	20	27	3	94	0.426	11.0
          Kiwoom	14	39	0	91	0.264	20.0

The next two tables show, respectively, how many of their remaining games each team wins and ties against each of the other teams in the scenario:

					Scenario Additional Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	0	0	11	0	0	0	0	0	0	11
Hanwha	10	-	11	10	11	3	0	10	0	10	65
KIA	10	0	-	10	0	0	0	0	0	0	20
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	10	0	10	9	-	11	7	1	11	11	70
LG	10	8	11	10	0	-	0	5	10	9	63
Lotte	10	11	10	10	3	11	-	0	0	10	65
NC	12	0	12	10	9	6	10	-	0	13	72
Samsung	10	8	10	11	0	0	10	10	-	10	69
SSG	11	0	11	10	0	0	0	0	0	-	32
-----------------------------------------------------------------------------------
Losses	83	27	75	91	23	31	27	26	21	63

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	0
Hanwha	0	-	0	0	0	0	0	0	2	0	2
KIA	0	0	-	0	0	0	0	0	1	0	1
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	0	0	0	0	-	0	2	0	0	0	0
LG	0	0	0	0	0	-	1	0	0	0	0
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	0	0	0	0	0	0	0	-	0	0	0
Samsung	0	2	1	0	0	0	0	0	-	1	3
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	0	2	1	0	0	0	0	0	3	0

The next two tables show, respectively, how many total games each team wins and ties against each of the other teams in the scenario:

					Scenario Total Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	4	1	15	1	3	3	0	3	1	31
Hanwha	12	-	15	15	14	5	2	14	4	14	95
KIA	15	1	-	13	3	2	4	2	2	2	44
Kiwoom	1	1	3	-	2	1	0	2	0	4	14
KT	14	2	13	14	-	14	8	3	14	12	94
LG	13	11	14	15	2	-	3	8	15	14	95
Lotte	13	14	12	16	6	12	-	3	5	13	94
NC	14	2	14	14	13	8	13	-	2	14	94
Samsung	13	10	13	16	2	1	11	14	-	13	93
SSG	15	2	14	12	4	2	3	2	2	-	56
-----------------------------------------------------------------------------------
Losses	110	47	99	130	47	48	47	48	47	87

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	1	0	0	2	0	0	3
Hanwha	0	-	0	0	0	0	0	0	2	0	2
KIA	0	0	-	0	0	0	0	0	1	0	1
Kiwoom	0	0	0	-	0	0	0	0	0	0	0
KT	0	0	0	0	-	0	2	0	0	0	3
LG	0	0	0	0	0	-	1	0	0	0	1
Lotte	0	0	0	0	0	0	-	0	0	0	3
NC	0	0	0	0	0	0	0	-	0	0	2
Samsung	0	2	1	0	0	0	0	0	-	1	4
SSG	0	0	0	0	0	0	0	0	0	-	1
-----------------------------------------------------------------------------------
Total	3	2	1	0	3	1	3	2	4	1