Install:
• Download BepInEx from Release site. Choose match with game type.(x64/x86). May be you have a x64 ver. Use BepInEx_win_x64_5.4.23.2.zip
• Extract to game folder.(where LoveTavern.exe exists)
• Run game and close at title screen.
• Put "LoveTavern_cheats.dll" file to "BepinEx\plugins" folder. If not exists "plugins" folder, You may try another type(x64/x86).
• Run game and enjoy.