After Everyone Else Had Already Left The Nest, I Spent My Days With My Stepmom, Luxuriating In Lust ... Yuka Mizuno

Born as the second son of three brothers, Yuzuru. His mother Yuka saw him as an easy child... But one spring, his older brother got a job and moved out, and his younger brother entered a boarding school. With his father on a business trip, life changed rapidly, and Yuzuru and Yuka began living alone together as mother and son. The once lively house suddenly fell quiet, and Yuka felt a sense of loss... Seeing his mother like this, Yuzuru felt frustration and emptiness, and sought to reclaim the maternal affection he had never been able to monopolize...