Watch this detailed review comparing the different couples and their dynamics across the series: Junjou Romantica vs. Sekai Ichi Hatsukoi Anime America YouTube• Feb 29, 2012 Junjou Romantica – 05 | Otakuness Anime Reviews
Retrospective reviews, such as those on Blerdy Otome , point out that the series as a whole relies heavily on "non-con/dub-con" themes and aggressive character dynamics, which may be off-putting to modern viewers. Junjou Romantica Episode 5
Hiroki, feeling abandoned and insecure about where he stands in Nowaki's life, decides to end the relationship. He takes extreme measures—moving house and changing his contact details—to shut Nowaki out completely. Watch this detailed review comparing the different couples