Ok..so what ringtone was it Tabone used for Houki ?
Well, I went to Baka-Tsuki to check the LN translation and found it removed....not good. But from what I recall, it was a theme from The Godfather. I checked the series itself, and the clip in season 1 episode 9 sounds to me like the character song for Houki. Here's a Youtube version of it: https://www.youtube.com/watch?v=HMhliLcx6bQ
Tabane and Houki:
There's a fair amount of confusing data on the Tabane and Houki pages. One of them did something to the other, but can we determine accurately who did what so we can clean up the pages enough to let it not confuse any newcomers? We know Tabane hurt Houki in part by announcing the IS and getting Houki transferred away from Ichika. From what I can recall of the LN pages, did it seem to anyone else like Houki did something in retaliation?