* AllStarCast: The English dub of both ''memories'' and ''melodies'' is full of well-known veterans -- even Creator/SentaiFilmworks declares so in its marketing materials. We have Creator/GregAyres, Creator/LuciChristian, Creator/ChrisPatton, Creator/BrittneyKarbowski, Creator/MonicaRial, Creator/HilaryHaag, Creator/IllichGuardiola, and Creator/DavidMatranga.
* TheDanza: Hiro Hirono is voiced by Creator/HiroShimono.
* StudioHop: The Japanese home media releases of ''memories'' and ''melodies'' are currently owned by Creator/NBCUniversal due to their buyout of [[Creator/NBCUniversalEntertainmentJapan Geneon]] in 2008.
* WriteWhatYouKnow: The main characters' hobbies and occupations are suspiciously similar to that of a visual novel developer team's main crew.