It might not be an accurate reflection of the final game in any form, but Nippon Ichi Software America have added a simple yet rather cute minigame to their official website of htoL#NiQ – The Firefly Diary –.
Dubbed “Roll! Mion” this game will see you shoot the game’s main heroine out of a cannon, and help her jump out of danger as she rolls down a descending path which becomes more perilous by the metre
htoL#NiQ – The Firefly Diary – is set for release on the PlayStation Vita starting February 24th 2015. This is an adventure-puzzle game which sees you take control of two fireflies: Lumen and Umbra, as they help guide a young amnesic girl named Mion through a ruin inhabited by dangerous obstacles and crawling shadows.