lovvlai's manga / #Half brothers(2)

older brother is going to die in place of his younger bro...before going to that mission, the older bro has sex to the unwilling uke...

his father has abandoned him and his mom when he was young for another woman? but father comes to ask him to donate his organ for his sick son who has been hospitalized since birth. he visits his step brother and seduces the guy. he decided to donate organ and have sex with younger bro as revenge.