Here's an update of the songs about her.
Refer to The Case of Something CSI Related.

1)Mirror
2)Same Thought
3)I'm sorry.. for forgetting you
4)Mungkin
5)Bonel Su Obnun Sarang
6)Dangshineun
7)Girlfriend(M)
8)Gobyol
9)Gobyol II
10)Good Bye
11)Geu Daen Ah Na Yo
12)Ibyol Mothan Ibyol
13)Insa
14)Love Is
15)Love Theme
16)Saranghandamyon
17)Like Candy(Lee Min Ki)
18)Like Candy(Kim Mi Ri)
19)Mi-anhaeya Haneun Guhni
20)My Dream
21)Our Love Will Always Last
22)Precious Person
23)Work Well Done
24)She
25)She Is
26)Words Hard To Say
27)Yakh Sokh
28)Sarang Hal Soon Uhb Neun Guh Jyo
29)From the beginning till now
30)Doll
31)First Person
32)Like A Habit
33)Black Glasses
34)I Believe
35)Nuchun Shijak
36)Can I Love You
37)Oon Myong
38)One Love(Spring Waltz OST)
39)White Snow
40)Never Say Goodbye
41)Chonhaji Mothal Mal
42)Gravity
43)Back To The First Time
44)Parrot
45)With You
46)Falling Slowly
47)Go
48)Other Side Of The World
49)High
50)Cannonball
51)Blower's Daughter
52)Please come back
53)I Hope You Dance
54)Right Here Waiting
55)Weonhago Weonmanghajyo
56) In Our Hearts, There's the Sun
57)You're My Endless Love (So to speak)
58)Love is leaving (She's gone)
59)Missin' U
60)Mirror(Super Junior)
61)Best I Ever Had
62)Only One
63)What Hurts The Most
64)Blind
65)Tattoo
66)From Sarah With Love
67)Just One Last Dance
68)Unbreakable
69)How Does It Feel
70)Bop Bop Baby
71)Drive
72)Even If It's A Thousand Years
73)Love Won't Come
74)Seperation Story
75)My Last Love
76)Facade (Presona)

Edited to add Tracks 61 to 76