Ghost Mama Investigation(2012)

Ghost Mama Investigation is a Japanese series following Tonbo, a timid first-grader who discovers he can see his mother's ghost when wearing her old glasses. Choko, a former police officer, died three months earlier but remains restless in the afterlife, unable to resist meddling in others' problems. Together, mother and son take on supernatural cases, with Choko guiding Tonbo through investigations while watching him grow up. The show blends mystery and family drama as Choko balances her detective instincts with the bittersweet knowledge that their time together is temporary. It's a touching exploration of grief, connection, and letting go, anchored by the unlikely partnership between a protective ghost and her reluctant young partner.