SSDU
Acronym for "submissive seme, dominant uke".
In yaoi, a sexual situation with dominance/submission in which the seme (person penetrating) obeys and the uke (being penetrated) decides what happens.
In yaoi, a sexual situation with dominance/submission in which the seme (person penetrating) obeys and the uke (being penetrated) decides what happens.
In chapter 3, we finally get to the sex: delicious SSDU.