The official website of the "Persona" series has published an announcement announcing that the price of many works in the series, including the PS3 version of "Persona 5", will drop forever on the Japanese Service PlayStation Store.
The specific works whose prices change are as follows:
Persona (PSP/Vita) - 2420 yen → 1980 yen
Persona 3 Pocket Edition (PSP/Vita) - 2420 yen → 2180 yen
Persona 2 Sin (PSP/Vita) - 5217 yen → 1980 yen
Persona 2 Penalty (PSP/Vita) - 5217 yen → 1980 yen
Persona 4: PSVita - 4054 yen → 2480 yen
Persona 4 Midnight Arena (PS3) - 6265 yen → 1980 yen
Persona 4 Ultimate Invincible Back Bridge Fall (PS3) - 7109 yen → 4980 yen
Persona 5 20th Anniversary PS Store Special Edition (PS3) - 7822 yen → 5980 yen
Persona 5 (PS3) - 5378 yen → 3480 yen
Source: The official website of the "Persona" series