[Fix] Wrong name for the Stage-1 boss
[New] Boss difficulty adjustment (Settings-->Gameplay)
[New] Enter the Konami code to get a little gift from Kazuya
[New] Ultra-Wide resolution support
[New] Map-select panel prompt after beating the stage boss
[New] Sword-refinement panel prompt after beating 3 bosses
[Change] Panels auto-close after loading a save
[Change] On heroine defeat (H), the first H action is random
