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	94	47	3	0.6667	0.0
              KT	93	47	4	0.6643	0.5
              LG	95	49	0	0.6597	0.5
             KIA	94	49	1	0.6573	1.0	See explanation of tie-breakers below.
         Samsung	94	49	1	0.6573	1.0	See explanation of tie-breakers below.
              NC	94	49	1	0.6573	1.0	See explanation of tie-breakers below.
          Doosan	56	87	1	0.3916	39.0
             SSG	32	111	1	0.2238	63.0
           Lotte	31	112	1	0.2168	64.0
          Kiwoom	30	113	1	0.2098	65.0

Explanation of Tie-breakers:
The following table shows how many games each of the teams tied for fifth place in the scenario have already won against each other:
Team	KIA	NC	Samsung	Total
KIA	-	2	3	5
NC	4	-	0	4
Samsung	2	6	-	8

The following table shows how many additional games each of the teams tied for fifth place win against each other in the scenario:
Team	KIA	NC	Samsung	Total
KIA	-	10	11	21
NC	0	-	7	7
Samsung	0	3	-	3

The following table shows how many games total each of the teams tied for fifth place win against each other in the scenario:
Team	KIA	NC	Samsung	Total
KIA	-	12	14	26
NC	4	-	7	11
Samsung	2	9	-	11

The first tiebreaker does not resolve the tie.
The following table shows how many runs each of the teams tied for fifth place as already scored against each other in the scenario:
Team	KIA	NC	Samsung	Total
KIA	-	20	41	61
NC	27	-	20	47
Samsung	31	42	-	73

The following table shows how many additional runs each of the teams tied for fifth place scores against each other in the scenario:
Team	KIA	NC	Samsung	Total
KIA	-	10	11	21
NC	0	-	35	35
Samsung	0	9	-	9

The following table shows how many runs total each of the teams tied for fifth place scores against each other in the scenario:
Team	KIA	NC	Samsung	Total
KIA	-	30	52	82
NC	27	-	55	82
Samsung	31	51	-	82


NC finished #0 in the standings last year.
Samsung finished #0 in the standings last year.

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	33	20	0	91	0.623	0.0
              KT	32	20	1	91	0.615	0.5
         Samsung	31	20	1	92	0.608	1.0
             KIA	28	25	1	90	0.528	5.0
          Hanwha	27	25	0	92	0.519	5.5
          Doosan	25	28	1	90	0.472	8.0
              NC	22	29	1	92	0.431	10.0
             SSG	22	30	1	91	0.423	10.5
           Lotte	21	30	1	92	0.412	11.0
          Kiwoom	20	34	1	89	0.370	13.5

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	10	0	0	10	31
Hanwha	10	-	10	11	0	10	12	0	6	8	67
KIA	10	0	-	10	0	4	10	10	11	11	66
Kiwoom	0	0	0	-	0	0	10	0	0	0	10
KT	10	7	10	7	-	0	12	0	5	10	61
LG	10	0	4	10	11	-	10	7	0	10	62
Lotte	0	0	0	0	0	0	-	0	0	10	10
NC	12	11	0	10	10	4	7	-	7	11	72
Samsung	7	4	0	10	6	11	11	3	-	11	63
SSG	0	0	0	10	0	0	0	0	0	-	10
-----------------------------------------------------------------------------------
Losses	59	22	24	79	27	29	82	20	29	81

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	0	0	0	1	0	0
Hanwha	0	-	0	0	3	0	0	0	0	0	3
KIA	0	0	-	0	0	0	1	0	0	0	0
Kiwoom	0	0	0	-	1	0	0	0	0	0	0
KT	0	3	0	0	-	0	0	0	0	0	3
LG	0	0	0	0	0	-	0	0	0	0	0
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	0	0	0	0	0	0	0	-	0	1	0
Samsung	0	0	0	0	0	0	0	0	-	0	0
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	0	3	0	0	3	0	0	0	0	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	-	1	3	14	2	2	14	3	4	13	56
Hanwha	15	-	12	15	2	13	14	2	7	14	94
KIA	13	4	-	16	1	6	14	12	14	14	94
Kiwoom	2	1	0	-	2	2	12	4	3	4	30
KT	14	11	15	13	-	4	14	4	6	12	93
LG	14	3	10	14	12	-	14	11	2	15	95
Lotte	2	2	1	4	2	2	-	2	3	13	31
NC	13	14	4	12	12	5	14	-	7	13	94
Samsung	11	9	2	13	10	14	13	9	-	13	94
SSG	3	2	2	12	4	1	3	2	3	-	32
-----------------------------------------------------------------------------------
Losses	87	47	49	113	47	49	112	49	49	111

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