It seems to connect but we cannot see each other

[Luigi003]

Update: I have tested with the original version of the emulator and the following settings:
Activate Wlan game (yes)
proAdhocServer direction: 127.0.0.1
Activate server: yes

And still the same error happens

Update2: We have finally met at coldbird.net, we could see each other, but then we turned back to check our weapons and...
Surprise! We don't see each other again, and the worst part of this is that we can see other players on the same room, but we cannot see between us.

Why god? Why?

Advices?

Thanks in advance~

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Update3: I met him again after activating automatic frameskip, is this necessary or is this a coincidence?

Thanks~

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Updates 4&5: Cannot enter a quest, it lose connection and we appear split with the buddy missing. Trying to host by myself with both frameskip activated still doesn't work.
(By the way, we're playing MH3rd HD)

Regards~