If you are looking for similar light novels or stories that deal with these specific themes (infidelity, family drama, and complex sister relationships) in a more mainstream format, you might explore: I Kissed My Girlfriend's Little Sister
The "older sister" trope is a staple in storytelling because it often represents a blend of maturity, guidance, and sophisticated charm. In these narratives, the character is typically depicted as more experienced or assertive than the protagonist, creating a dynamic of mentorship or playful tension. This archetype is highly effective in dramas because it allows for complex emotional storytelling and character development. Kisaragi Riisa’s Professional Attributes Kisaragi Riisa - My Girlfriend-s Older Sister S...
A quiet college student, his girlfriend’s alluring older sister, and a rainy night that changes everything. 🌃💔👀 #AdultRomance #ForbiddenLove #KisaragiRiisa If you are looking for similar light novels