Low Spender Player

Feels like low spender players don't have many gacha banners to pull from, but luckily the 'Outside World' story is so extensive. I just finished watching 'Duken Chun' recently, and after looking up others' analyses online, I realized this game is hard to understand without fellow guild members lololol As a low spender like me, I'll probably only pull on Gu and Bai's birthday banners once a year. I'm curious, which banners do you guys tend to pull on?