Reader-added tags include "The Hakata" (an express bus running between Tokyo and a few cities in Kyushu), "Caramel dice", and "???: 'I just can't sleep on a bus any more.'"

I think this joke flew so far over my head it's violating local air-space laws.

Kamaki said:

I think this joke flew so far over my head it's violating local air-space laws.

@Kamaki
It's a bit involved to explain in detail in a TN. See my comments here. The relevant show segment's a sort of running gag now in Japanese pop culture, to judge by how it comes up in this strip or the author's comments/polls.

Moonspeaker said:

It's a bit involved to explain in detail in a TN. See my comments here. The relevant show segment's a sort of running gag now in Japanese pop culture, to judge by how it comes up in this strip or the author's comments/polls.

Oh neat! Thanks for clearing that up for me... Years ahead of time, lol.