Review Detail of MSM in One more step

I'll be honest, I am writing when I have only read till chapter 15. I have got no great opinions because I have not read much to make a clear and structured review however I like what I am reading and recommend to anyone like me who likes more down to earth or day to day matters. It also includes more opinions, the MC is really open minded in the beginning and does not end thinking only "how to get revenge!" After being left with a beaten body due to a undeserved punishment. Nonetheless, I wanted to ask if anyone who read ahead of me knows from which chapter starts the romance bit. Of course, I don't mind spoilers nor I am against it. So feel free to tell me, please. On the other hand, it is more like a need of mine to know when the romance begins to have real motivation, you know. I hope you all don't my little opinion and request.