Here is scenario in which NC finishes in first place with 64 additional wins (71 total).

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
              NC	71	69	4	0.5071	0.0	See explanation of tie-breakers below.
          Kiwoom	71	69	4	0.5071	0.0	See explanation of tie-breakers below.
           Lotte	71	69	4	0.5071	0.0	See explanation of tie-breakers below.
         Samsung	71	69	4	0.5071	0.0	See explanation of tie-breakers below.
             SSG	73	71	0	0.5069	0.0
          Hanwha	71	70	3	0.5035	0.5
              KT	72	71	1	0.5035	0.5
             KIA	71	71	2	0.5000	1.0
              LG	70	70	4	0.5000	1.0
          Doosan	65	77	2	0.4577	7.0

Explanation of Tie-breakers:
The following table shows how many games each of the teams tied for first place in the scenario have already won against each other:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	0	1	0	1
Lotte	3	-	2	1	6
NC	2	1	-	2	5
Samsung	2	0	1	-	3

The following table shows how many additional games each of the teams tied for first place win against each other in the scenario:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	0	12	1	13
Lotte	10	-	0	15	25
NC	0	13	-	13	26
Samsung	13	0	0	-	13

The following table shows how many games total each of the teams tied for first place win against each other in the scenario:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	0	13	1	14
Lotte	13	-	2	16	31
NC	2	14	-	15	31
Samsung	15	0	1	-	16

The first tiebreaker does not resolve the tie.
The following table shows how many runs each of the teams tied for first place as already scored against each other in the scenario:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	11	12	12	35
Lotte	21	-	15	8	44
NC	16	14	-	24	54
Samsung	24	1	25	-	50

The following table shows how many additional runs each of the teams tied for first place scores against each other in the scenario:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	0	44	1	45
Lotte	10	-	0	15	25
NC	0	13	-	13	26
Samsung	30	0	0	-	30

The following table shows how many runs total each of the teams tied for first place scores against each other in the scenario:
Team	Kiwoom	Lotte	NC	Samsung	Total
Kiwoom	-	11	56	13	80
Lotte	31	-	15	23	69
NC	16	27	-	37	80
Samsung	54	1	25	-	80

NC wins the second tie-breaker against Lotte


To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
              LG	17	4	0	123	0.810	0.0
           Lotte	12	10	1	121	0.545	5.5
          Hanwha	12	11	0	121	0.522	6.0
              KT	10	10	1	123	0.500	6.5
         Samsung	11	11	0	122	0.500	6.5
             SSG	9	10	0	125	0.474	7.0
          Doosan	9	11	0	124	0.450	7.5
             KIA	9	12	0	123	0.429	8.0
              NC	7	10	0	127	0.412	8.0
          Kiwoom	8	15	0	121	0.348	10.0

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	15	0	8	7	12	0	0	14	56
Hanwha	13	-	13	0	3	7	5	12	6	0	59
KIA	0	0	-	4	13	14	13	6	12	0	62
Kiwoom	14	13	9	-	5	9	0	12	1	0	63
KT	5	11	0	10	-	0	5	13	4	14	62
LG	4	6	0	4	14	-	11	0	7	7	53
Lotte	1	9	0	10	8	3	-	0	15	13	59
NC	16	0	8	0	0	14	13	-	13	0	64
Samsung	13	7	0	13	10	4	0	0	-	13	60
SSG	0	13	14	13	0	8	0	16	0	-	64
-----------------------------------------------------------------------------------
Losses	66	59	59	54	61	66	59	59	58	61

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	2	0	0	0	0	2
Hanwha	0	-	0	0	0	0	0	3	0	0	3
KIA	0	0	-	0	0	0	0	0	2	0	2
Kiwoom	0	0	0	-	0	0	3	1	0	0	4
KT	0	0	0	0	-	0	1	0	0	0	0
LG	2	0	0	0	0	-	0	0	2	0	4
Lotte	0	0	0	3	0	0	-	0	0	0	3
NC	0	3	0	1	0	0	0	-	0	0	4
Samsung	0	0	2	0	0	2	0	0	-	0	4
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	2	3	2	4	0	4	3	4	4	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	16	2	9	8	14	0	1	14	65
Hanwha	15	-	15	2	4	7	5	13	7	3	71
KIA	0	1	-	5	15	14	15	7	13	1	71
Kiwoom	14	14	11	-	6	10	0	13	1	2	71
KT	7	12	1	10	-	1	6	15	6	14	72
LG	6	9	2	6	15	-	13	2	9	8	70
Lotte	2	11	1	13	9	3	-	2	16	14	71
NC	16	0	9	2	1	14	14	-	15	0	71
Samsung	15	9	1	15	10	5	0	1	-	15	71
SSG	2	13	15	14	2	8	2	16	1	-	73
-----------------------------------------------------------------------------------
Losses	77	70	71	69	71	70	69	69	69	71

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