Easygoing Naoya works in a pet store, socializes on the gay circuit and gets his share of sex without ties, but remains unfulfilled. His dissatisfaction is eased by the prospect of a relationship when he meets sweet-natured research engineer Katsuhiro, who keeps his sexuality hidden from family and colleagues, including a female co-worker with transparent romantic designs on him. Third key element is Asako, a troubled young woman with a past history