In a realm where negativity thrives, five fairy representatives from powerful clans descend to Earth on a mission to gather 'attachments' vital for their world's survival. Assuming human forms, they operate Bar F, blending in as high school boys and a bartender to conceal their true nature. Interacting with troubled female patrons harboring hidden sorrows, the boys extend a helping hand in exchange for permission to 'steal' their hearts. Delving into each client's turmoil, they confront a malevolent force bent on sowing discord and corruption. Now, faced with a perilous adversary jeopardizing their crucial task, the Bar F fairies must uncover the culprit's identity and thwart their sinister schemes while safeguarding their own integrity.