This event features Japanese creators selling various products at either 77l, 77l or 7l.
There are a ton of gachas here as well.
Dates: 2013 7/7~7/31 0:00 (JPT)
There is also a hud based game.
Check out the website here for a little bit of help.
I finally completed it, I think. Well I got a prize and it said special thanks you at end.
There is a prize for males and females.
Basically you have to click the magpie birds and sit/click on things.
Also don’t forget to get your free hand lanterns after you land from the boat ride.