- Creator Breakdown: The original series is speculated to have ended suddenly because of artist Kentaro Yabuki going through a divorce and custody battle at the time.
- Cross-Dressing Voices: Rito Yuuki is played by Akeno Watanabe, which is no surprise given she's usually typecast as boys. Though she voices Rito's gender-bent form Riko too. Averted in most international dubs of the anime, including English. Rito is voiced by Ry Mckeand in English and Marcel Mann in German.
- No Export for You: As of 2020, the OVAs from 2009 have not been released in North America.
- Pop Culture Urban Legends: Around when the original manga ended, a post translating an interview with the series' writer and artist included speculation that Haruna was based on the artist's (now divorced) wife. Readers mistook the latter as being part of the translated interview, and so the series' English-language fandom widely treats it as fact (and that this somehow affected Haruna's appearances in the manga), despite no real evidence in its favor.
- The Other Darrin: Due to Masako Jo's pregnancy in 2012, Mikado is now voiced by Harumi Sakurai.
- The Wiki Rule: The To LOVE-Ru Wiki.
Trivia / To Love-Ru