The long-awaited Japan debut single from Hearts2Hearts is here! It is scheduled to include three songs in total, including "RUDE! (Japanese Ver.)" (subject to change). The Limited Edition Type D comes with Hearts2Hearts initial beads, a 20-page lyric booklet, a selfie photo card with a message (printed), Limited Edition Type D Ver. (one randomly selected from eight kinds), and an application code (valid only in Japan).