Complex sentence: Robertson mentions a phenomenon of "S" or "Class S" love, a particular style of love wherein women who have been influenced by Takarazuka return to their daily lives feeling free to develop crushes on their female classmates or coworkers.
Split into simpler sentences: Robertson mentions a phenomenon of "S" or "Class S" love. In this particular style of love the women who have been influenced by Takarazuka return to their daily lives and feel free to develop crushes on their female classmates or coworkers.