Aimi, involved with the former yakuza Kanzaki, faces relationship turbulence due to his distant behavior, interactions with other women, and reluctance to conceal his ex's tattoo. Seeking solace from Yamada, the oden stall owner, Aimi grapples with possessiveness and earns the title of the 'most challenging partner' in Kanzaki's eyes. Witness her journey to conquer her insecurities and salvage their love amidst the chaos.