Zutto Dokushin de Iru Tsumori?

Mami is 36 and unmarried, and the entire world seems to be telling her she must be miserable. But is she? Does she really need a ring on her finger to be happy when she has a job she loves and friends who support her? A collection of interconnected stories that explores the hazards and joys of unmarried life through the eyes of three single ladies.

(Source: Viz Media)