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 >>/27716/
You can check Bonbibonkers timeline with just one simple indicator. The state of her nails. 

Pic 1 - Insta story, September 19th. Flying to Emiru. You can see her nail polish is fresh.

Pic 2 - Lola, September 23-26th. Her nail polish is slightly damaged. Took place after her Emiru visit, meaning she flew back home (this is in line with you saying she played games).

Pic 3 - Yuno Gasai, October 2nd. No nail polish. Most recent, but Bonbi appears to be back at Emiru's place again. Probably flew there to visit again.