Absolute Boyfriend(2008)

Absolute Boyfriend is a romantic drama series about Riko Izawa, a temp worker chosen to test Night Tenjō, a humanoid robot engineered by Kronos Heaven to be the perfect devoted partner. Designed to fulfill his owner's every wish with unwavering loyalty, Night initially seems like just another appliance to Riko. But as she witnesses the depth of his programmed devotion, genuine feelings begin to develop between them. Their budding connection grows complicated when Sōshi Asamoto, an ambitious executive at Riko's company who harbors real feelings for her, enters the picture. The series explores the blurred lines between artificial devotion and authentic love, caught between a robot's perfect programming and a human's messy emotions.