So what exactly was that editor's advice? The female lead is... bad?... "Bad" how? Like poorly written? Drawn? Characterisation? Dialogue? This editor is poorly written for how completely useless he is, what is that advice he's giving? AND TO A CHILD!!
first time i can remember an openly ecchi manga had the mc visit love interest's room (after they both showered no less) and they didn't play the scene for horny laughs. this manga rules