29-sai no Glass no Kutsu

If you want to marry someone, you should just marry me. Nearly thirty with no hope of marriage, but suddenly a proposal from a millionaire?! Miki is reaching her late thirties. Although she has a yearning for marriage, she spends her days watching romance dramas at home with her childhood friend rich-boy Yukinosuke. Then suddenly one day, Yukinosuke proposes! Everyone around her is encouraging her, but there's a reason Miki can't accept...?!

(Source: INKR)