After losing her memories spanning three years, Arisa Suzuki rediscovers her relationship with Mari Satou, her surprised girlfriend. Mari fears Arisa's changed feelings, but their reunion proves that Arisa's love remains steadfast. Determined to revive their connection, Mari sets out to jog Arisa's memory, recounting their shared milestones from first encounter to first kiss. However, Arisa's memory loss poses challenges, especially evident in their intimate moments. Previously dominant, Arisa now grapples with newfound timidity, contrasting sharply with Mari's recollections and causing Arisa to yearn for her former self. Together, the pair embarks on a journey to rebuild their bond, pouring their hearts into rekindling the love that binds them.