| Original Name | ラディアンテイル ～ファンファーレ！～ |
| Release Date | August 31, 2023 |
| Genre | Adventure |
| Developer & Publisher | idea factory |
| System | Nintendo Switch |
| Image format | NSP |
| Game version | 1.0 |
| Language | Japanese |
| Required firmware | 16.0.3 |
| Multiplayer | Single System (1) |
| Age rating | Teen |
| Supported play modes | TV mode, Tabletop mode, Handheld mode |
Radiant Tale: Fanfare! – A fan disc revealing the joyful future of the royal fantasy tale “Radiant Tail” begins now!
AFTER STORY
After sharing tears and laughter with her companions, she reached the culmination of her journey. Having completed her unique odyssey with the [CIRCUS], Tifalia embarked on a path towards a promising future alongside the one who had become truly special.A one-eyed royal guardian, bonded with a prince capable of conversing with the chief spirits guarding the enigmatic dragon labyrinth city. A family with a long history. This is the heartwarming tale of the “beyond” they all reached together with these exceptional individuals.
IF STORY
“Will you be my secretary?” After concluding her adventure with the distinctive [CIRCUS], Tifalia now lives her days as Genia’s dedicated secretary. Just as she grows accustomed to her role, a ceremony is arranged to celebrate Coryves’ recovery. Amidst her bustling duties within Tifalia’s castle, a newfound emotion begins to stir within Tifalia’s heart.
INTERLUDE
During our global travels, numerous untold events unfolded. This is a glimpse into scenes that could have occurred between the main stories, narrated from various perspectives. What conversations did Tifalia’s friends engage in when she wasn’t present? How did members of the CIRCUS interact with the people they encountered during their journeys?