[Script] [HMA] Pokeball Vanish and buffer pokemon starter [FR]

Hello,
I need help for editing choosing starter script in FireRed.
I want Rival take two pokeball.

using HMA, i already figure the offset position.

For movement script


with this, rival will move twice, once to first pokeball, then down for second pokeball

And the problem is the message box


can anyone help me for

hidesprite 0x4004 ---->i guess this for pokeball

Click to expand...

this only vanish the first pokeball (orignal),
how to make second pokeball vanish too?

bufferPokemon 0 0x4003 ---->this for starter pokemon

Click to expand...

this is for Bulbasaur (0x4003), because i choose Squirtle.
i need to add Charmender too

{
\\06 received the \\02\n ---->and other pokemon---
from PROF. OAK!
}

Click to expand...

So he will said
[rival] received the Bulbasaur and Charmander
from PROF.. OAK!
Thank you for the help 🙏