Chohatsu BABY

Kobaku’s beloved Tsubasa is the lead singer of a popular group. One day, Tsubasa suddenly found himself living alone, with Kobaku at his doorstep proclaiming to be his future wife! New experiences made Kobaku believe that this is what married life is supposed to be like! Tonight…is their wedding night! Kobaku, good luck~!

[Souce: Baka-Updates Manga