In a developer interview published in the March 1999 issue of DenGeki PlayStation magazine, it was revealed that Rowd, a character who betrayed the Unicorn Youth Brigade of the Highland Kingdom, was the older brother of the little blind girl in Kyaro Town who disappears near the end of the game, and his motivation for his betrayal was to save more money to cure her blindless. When talking to the girl in Kyaro Town, she states that her big brother plans to use his riches to hire a famous doctor in the Toran Republic (who is suspected to be Liukan, a character from Suikoden who briefly appears in this game) to perform the operation. During the interview, programmer Akiyoshi Ohta also stated that there was originally going to be a battle against Rowd where he would die, but this was cut because "his little sister was too cute to do it."

During an interview, it was revealed that the game's illustrator, Fumi Ishikawa, was a big fan of Flik. The team created a fake set of planning notes for Nina's unite attack with Flik in case Ishikawa was to delete it out of anger for Nina and Flik's relationship.

Special events can occur within the Bathhouse of the castle after collecting and decorating it with antiques. One of the special scenes happens after setting 6 Chinese Plates, where two party members, Wakaba and Long Chan Chan, drop from above for undisclosed reasons; They sometimes appear on the side opposite to their gender.

Within the data for the Nightmare enemy is an unused Magic the Gathering card. The sprite itself is never shown in the game.

Oulan's measurements are given as "96-60-89" (38-24-35 inches) in the Japanese release, but when localized, the measurements were changed to "90-60-89", reducing her bust size by six centimeters.