Yaoi stories with a significant age gap that plays into the plot.
1-17 - Tutor/teacher x student 18-25 - High schoolers and older men 26-31 - University students and older men 32-36 - Long-term relationships 37-41 - Forbidden love (guardians and family members' lovers) 42-47 - Neighbors/Roomates 48-67 - Meeting at work 68-71 - Authors
