Daiyousei or Rumia made the same mistake some pages back with the banner. Not only did they reverse the “chi”, but also the “o” of “omedetou”. Unfortunately a reversed “o” means nothing. Could be translated as “happy dirthday Sarno”, though.
A Bright Future 5SarunoCirno reversed the first character in her name, ち, resulting in さ, hence Saruno. Roughly as though she had written "CIЯИO" instead.Tengu