Touhou Project 東方天空璋 ～ Hidden Star in Four Seasons.

About

This is a bullet-hell shoot 'em up game where the player controls a character to navigate through stages while avoiding enemy projectiles and defeating bosses. The game features a seasonal theme, with characters equipped with main and sub-seasonal abilities that alter their shot types and special moves. Set in Gensokyo, the plot revolves around an unexplained weather anomaly involving mysterious mechanisms appearing across all four seasons.