Touhou Mukyuushi: Glory of Deep Skies

As Halloween night approaches, Gensokyo begins experiencing increased frequency of light-related phenomena such as rainbows and auroras, and an increased potency of magic that results in normally-harmless danmaku battles causing physical damage to their surroundings. After hearing reports of mysterious figures violently battling above the Human Village and causing major collateral damage, Reimu Hakurei and Marisa Kirisame set out to investigate...