Leading into today's return of Kill La Kill, the anime's first Blu-ray/DVD volume was released in Japan yesterday. To mark the occasion, the series' site added a set of Honnouji Academy Elite flashback icons to its special page.
Released when @kill-la-kill passed 30,000 followers:
Released for 20,000 followers:
Along with wallpaper:
At 10,000 followers
And early sets
The site also posted a character relationship chart
And finally some preview pics