Where to continue the Rent-a-Girlfriend manga

Rent-a-Girlfriend by Reiji Miyajima, 2017. The manga is still ongoing.

• Season 1 (12 episodes): Continue the manga from chapter 51 in volume 7.
• Season 2 (12 episodes): Continue the manga from chapter 103 in volume 12.
• Season 3 (12 episodes): Continue the manga from chapter 168 in volume 20.
• Season 4 (12 episodes): Continue the manga from chapter 215 in volume 25. This season skips most of chapter 210 and the second half of 212, so read those before carrying on.
• Season 5 (12 episodes): Continue the manga from chapter 256 in volume 30.