Pinky & Killers was a popular Japanese pop group that rose to fame in the late 1960s. They were known for their distinctive fashion sense and energetic performances, blending elements of pop, rock, and even some psychedelic influences. The group achieved significant commercial success with several hit singles and albums during their active years.

This particular album, "Koi no Kisetsu" (Season of Love), was one of their most iconic releases, capturing the essence of Japanese pop music of the era. The cover art, featuring the band members in stylish suits and hats, reflects the group's charismatic image and the vibrant aesthetic of 1960s music culture. The inclusion of the Columbia Records label indicates its production by a major record company.