I am fully new to bikes could I ask for some help?

Giant Road Bike TCR 6700 M Size (Shimano 105 level)
Price: 550,000 KRW aound 366USD

Posted: 1 day ago (Sports/Leisure)

Details:

• Model: 2018 Giant TCR 6700
• Size: M
• Groupset: Shimano 105 (except the crank)
• Frame: ALUXX-SL lightweight aluminum
• Type: Road bike

Specs:

• Frame: Aluminum
• Shifters/Derailleurs: Shimano
• Brakes: V-brakes
• Year: 2018

Condition:

• Recently serviced at a bike shop

This will be my first ever bike not sure if i am getting a good deal, things i should worry about? any tips please I am trying to get my first road bike! I am in Seoul by the way