The song was first uploaded on May 26, 2008 and is one of the tracks for the Putin-P Series. Track 5 of Part 2, it's previous song being If We Meet again☆. This song mainly talks of Len's side to Rin's "No Need to Worry!!". This is when the flashback from the Russian Era is shown, in Rin and Len's programmed past lives. Len is experiencing the memories of Irina's dog, while Rin is programmed with Irina's memories. It's mentioned how the dog loves his master very much, and said Irina is the first human he had ever loved. Main article: Putin-P Series (Part 2)