Manga by author Viper - Status ongoing

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After getting conned out of all his money by his trashy ex-boyfriend, Hosan, afraid of creditors, decides to commit suicide. But just before he can, he hears the doorbell, and meets a person who introduces himself as 'Puppy Husband' and claims that he was the puppy that Hosan rescued 3 years ago. And now, he is proposing marriage...?!