Welp. The keycaps had decided to gave up recently and I might live with a broken keycaps keyboard for a while, thanks to this stupid proprietary Romer -G switches. : r/LogitechG
Amazon.com: Arrow Keys ↑↓←→ Replacement Keycaps for Logitech G810 G413 G310 G910 G613 Keyboard Romer G (Up Down Left Right Keys) (Red) : Electronics
12-Key Game Keycaps Buttons for Logitech G413 G910 G810 G310 G613 K840 Keyboard 765756433747 | eBay
8 Key Romer-G Backlit Keycap WASD Arrow Key Cap for Logitech Mechanical Keyboard | eBay
Amazon.com: HUYUN Performance Gaming keycaps Replacement for Romer-G Switch Logitech G310 G413 G613 G810 K840 G910 Mechanical Keyboard (Black 12 Keys) : Video Games