Just a thought: the passenger on the train keeps refusing drinks and stuff offered to him/her so they keep asking again (gets attention) then when they are about to leave the passenger wants something (their attention was going away). Parallel with the "no milkshake/ yes milkshake" thing?
2019-02-22 23:57:38 +0000 UTC
The other character A-ko voices is Mamiya i think, the wannabe rose bride boy. Not super important, but there ya go