Responses
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i haven't read it but maybe its this one
http://www.mangago.zone/read-manga/futari_no_musuko_ni_nerawarete_imasu/
i haven't read it but maybe its this one
http://www.mangago.zone/read-manga/futari_no_musuko_ni_nerawarete_imasu/
The plot is like this the uke is their ( twin seme) foster father and one day his younger son confess to him after that his older son confess...thats all i remember ╥﹏╥