幻想四倍剣 天子の大逆襲/ Genso Yonbaiken: Tenshi no Daigyakushu

A doujin game by Otoridenshi based on the Touhou Project series.

Beyond the sky, there was a woman who had nothing better to do with her time than to be bored. Once, at the behest of his desires, he drove a shrine to destruction. Her name was Hinanai Tenshi. And now, Tenshi was once again depicting Gensokyo in her eyes. Gensokyo was in serious trouble because of Hinanai Tenshi. Tenshi had used a mysterious radio wave to turn one youkai after another into puppets. But here was a heroine who, with an indomitable spirit, had broken Tenshi's rule. She rose to her feet. To restore peace to Gensokyo once again.