k.will's tittle song from first album until third album

1st album  : Dropping the Tears

• Released: March 31, 2009
• Language: Korean 

tracklisting :

1. The Present
2. 1초에 한방울 (Feat. Dynamic Duo) - One Drop Per Second
3. 눈물이 뚝뚝 - Dropping the Tears
4. 소녀, 사랑을 만나다 (Feat. Girls' Generation Tiffany) - Girl, Meets Love
5. 쇼핑 - Shopping
6. Love 119 (Feat. MC Mong)
7. 눈물이 뚝뚝 (Inst.) - Dropping the Tears (Inst.)
8. 소녀, 사랑을 만나다 (Inst.) - Girl, Meets Love (Inst.)

2nd album : My Heart beating

• Released: March 10, 2011
• Language: Korean

tracklisting :

분다 - Blow 입이 떨어지지 않아서 - Speechless 가슴이 뛴다 - My Heart beating 증상 - Symptoms 기가 차 (Feat. Supreme Team & Sistar) - Amazed 선물 (Feat. Eun Ji Won) - Present 입이 떨어지지 않아서 - Speechless (Inst.) 가슴이 뛴다 (Inst.) - My Heart beating (Inst.)

3rd album : I Need You

• Released: February 14, 2012
• Language: Korean

tracklisting :

1. 부른다 - Calling You
2. 니가 필요해 - I Need You
3. 내가 싫다 - I Hate Myself
4. 못된 생각 - Nothing Left
5. Will이라고 해 - I'm Will
6. 네 곁에 - I'll Be With You
7. 니가 필요해 (Inst.) - I Need You (Inst.)