Today NISA announced[nisamerica.com] a planned price increase on a number of games starting July 19.

This includes some of their RPG games.

https://steamproxy.net/steamstore/app/579180/Ys_VIII_Lacrimosa_of_DANA/
https://steamproxy.net/steamstore/app/566540/Labyrinth_of_Refrain_Coven_of_Dusk/
https://steamproxy.net/steamstore/app/405900/Disgaea_PC/
https://steamproxy.net/steamstore/app/506260/Cladun_Returns_This_Is_Sengoku/
https://steamproxy.net/steamstore/app/206250/Cladun_X2/
https://steamproxy.net/steamstore/app/409870/Phantom_Brave_PC/
https://steamproxy.net/steamstore/app/889600/The_Caligula_Effect_Overdose/
https://steamproxy.net/steamstore/app/504110/The_Longest_Five_Minutes/

Current sale will be the best time to buy some of these if you were on the fence.