Good Boy Bad Girl / Peanut Butter Jelly Love (Good Boy Bad Girl / ピーナッツバタージェリーラブ) is Country Girls' 5th single (16th overall). It was released on February 8, 2017 in 6 editions: 2 regular and 4 limited. The first press of the regular editions include a random trading card of 7 kinds depending on the jacket (14 in total). The limited editions include an event lottery serial card number. This is the last single to feature playing manager Tsugunaga Momoko.