This patch removes full screen flashing effects that the game normally does between levels, and when Rei is onscreen. In the latter case, the screen is just kept in the brighter of the two palettes it normally switches between.
Database match: Urusei Yatsura - Lum no Wedding Bell (Japan)
Database: No-Intro: Nintendo Entertainment System (v. 20210216-231042)
File SHA-1: 4ADE66BF3E9E133A6E008F705EABC2F0590F7872
File CRC32: BBD0542B
ROM SHA-1: 17C22C6A3E2601BD48518B6858C746CB1A4F3130
ROM CRC32: DA5E32E