PS2 - FunTuna (Free McBoot for Fortuna), Page 6

You have to copy it via Homebrew it seems.

Game Selections, Online Shop

MC C/ FUNTUNA - Paygame Loja

The Easiest Way to Install FreeMCBoot on a PS2 Using FreeDVDBoot

PS2 - OpenTuna - An open source version of Fortuna, based on reverse engineering!

The Easiest Way to Install FreeMCBoot on a PS2 Using FreeDVDBoot

PlayStation 2 : installer FreeMCBoot sur une PS2 Slim avec FreeDVDBoot & FunTuna – Le Crabe Info

How to Install FreeMCBoot on Any PS2 Slim with FunTuna & FreeDVDBoot

Bitfunx FMCB Card V1.966 and Fortuna for PS2 MX4SIO SIO2SD SD Card Adapter Installed OPL - AliExpress

Kafuty-1 FMCB Memory Card for PS2 Slim SPCH‑7/9xxxx Series, Portable FMCB Card for PlayStaion2 Slim, for Fortuna, Accessories for PS2 (64MB) : Video Games

PS2 Homebrew

PS2 Memory Card with Free MCBOOT/FORTUNA/FUNTUNA +OPL+ESR+Media Player Installed

Jual Fortuna Funtuna / Free MCBoot + Cheat PS2 Memory Card MC MMC Boot PS 2 - SCPH-10000 di Seller Celleven Store - Jati Rahayu, Kota Bekasi

Bitfunx FMCB Card V1.966 and Fortuna for PS2 MX4SIO SIO2SD SD Card Adapter Installed OPL - AliExpress