You can talk to her (?) using your computer back in your room (upstairs in the house you started in). You'll be backtracking here after every finished job. 
Later on you get the RH Bracelet which lets you access the Mieu menu from anywhere, but not take on new jobs for whatever reason.
A tip for the fights is to use jump kicks, kicking fairly late in the jump. You can also press jump+punch at the same time to do a leaping kick attack, which is good early on but not as much against enemies with firearms. The timing is very precise so spamming it is hard to do, at least it is for me.
Edit:
If it's any help, I'm pretty sure this game uses the same engine as Sword of Vermillion (MD). Maybe that helps with finding some stuff?
Edit 2:
The research lab will become available after a few jobs. Spoiler: It's in the cafe in the first area.

Later on you get the RH Bracelet which lets you access the Mieu menu from anywhere, but not take on new jobs for whatever reason.
A tip for the fights is to use jump kicks, kicking fairly late in the jump. You can also press jump+punch at the same time to do a leaping kick attack, which is good early on but not as much against enemies with firearms. The timing is very precise so spamming it is hard to do, at least it is for me.
Edit:
If it's any help, I'm pretty sure this game uses the same engine as Sword of Vermillion (MD). Maybe that helps with finding some stuff?
Edit 2:
The research lab will become available after a few jobs. Spoiler: It's in the cafe in the first area.

Comment