Yaoi stories with a significant age gap that plays into the plot.
1-18 - Tutor/teacher x student 19-26 - High schoolers and older men 27-37 - University/early career and older men 38-43 - Long-term relationships 44-48 - Forbidden love (guardians and family members' lovers) 49-54 - Neighbors/Roomates 55-75 - Meeting at work 76-82 - Authors
