From Now on We Begin Ethics is a Manga/Manhwa/Manhua in english language, Adult series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

“Ethics” is the path of humanity, a principle that becomes the norm of morality. Learning is not a problem in the future. But this class is filled with the truth of life. Cool ethics teachers and Takayanagi confront the problems of students and their own stance.