Watchers
- 11TakanoriJapan
- aohsatoTIER IV
- aratafuji
- aztkSaitama University
- chanputokyo
- eratostennisTIER IV, Inc. Ex DeNA
- go-sakayori
- hakuturu583TIER Ⅳ.inc
- harihitodeTIER IV, Inc.
- i496The University of Tokyo, Nagoya University...etc
- interimaddJapan
- joker-ytSaitama, Japan
- JunichiMorimoto
- kalfazedToronto, Canada
- mackierx111TIER IV
- manato
- messi49TierIV
- mkuriTIER IV
- moaikidsmoaikids
- Monjisan
- Naophis
- nkawaNagoya University / NPO Lisra / TierIV
- rej55TIER IV, Inc.
- rxnew
- RyuYamamotoTIER IV, Inc.
- sasakisasaki
- shinpei0208TIER IV
- takenobu-hs
- tsuyoshiii
- utsuidai@tier4
- wh1teb0x
- yabuta
- YamatoAndo
- yamsamJapan, yokohama
- yk-fujiiTokyo, Japan
- YounekoTier IV, Inc.