After the Marriage Agreement, the Fiancé Was a Little Wild

[Two male protagonists + EABO setting + Neptune's scumbag + double uncleanness] Yan Jiang has a fiery temper and a hot body, which Liu Jingchuan would almost like. He claimed that neither of them was a good person, so he used all the methods he used to treat his lover on Yan Jiang. Purpose: Love and Peace