The Story of How This Aging Man Successfully Blackmailed and Mentally and Physically Trained the Female College Student Next Door, Whom I Secretly Set My Sights On Over 3 Years and 123 Days. Sanno Miya Tsubaki
After her boyfriend dies in a traffic accident, Tsubaki's happy cohabitation life collapses overnight. Her boyfriend had lost his temporary job, and Tsubaki struggles to find employment or even part-time work. As rent payments fall behind, the landlord—who has been watching her closely since she moved in—seizes the opportunity to exploit her vulnerability, forcing her to become a live-in housekeeper. Tsubaki desperately resists, but overwhelmed by the elderly landlord's persistent, relentless advances, her body and mind are gradually worn down. Her emotions become entangled, and ultimately, her heart is completely destroyed.