Srimad Bhagavatam Canto 10, Chapter 51, Text 42

SB 10.51.42

so ’ham tavanugrahartham
 guham etam upagatah
prarthitah pracuram purvam
 tvayaham bhakta-vatsalah
 
Translation: 
 
Since in the past you repeatedly prayed to Me, I have personally come to this cave to show you mercy, for I am affectionately inclined to My devotees.
 
Purport: 
 
It is apparent from this verse that Mucukunda was a devotee of the Supreme Lord. He had prayed for the Lord’s association, and now Sri Krsna granted his fervent request.
Srimad Bhagavatam Canto 10, Chapter 51, Text 41
Srimad Bhagavatam Canto 10, Chapter 51, Text 43