katsuyoshi's Following
- npkobayashi
- dzonesasakiAkita Japan
- picorubyJapan
- lovyan03Japan
- zzak
- ryoichi-obaraYokohama, Japan
- shu223Tokyo, Japan
- colinta@Shopify
- ikeayTokyo
- katahiradoKatahirado
- hayashi311Tokyo, Japan
- xcatsan
- hirohitokatoUeda-city, Nagano, Japan
- sumihiro
- yohfeeJapan
- kishikawakatsumiTokyo
- norio-nomuraAnjo, Japan
- ericaDenver, CO
- hummingkid
- KimtaroLondon, Tokyo, San Francisco, Stockholm
- nayEveryleaf Corporation
- masuidrivemasuidrive
- amatsudaFreelance
- takuma104Tokyo
- takahashimTatsu-zine Publishing Inc.
- koichiroSpeee inc.
- ogijunTokyo
- snoozer05Enishi Tech Inc.
- moroSMS Co., Ltd.
- kakutaniFreelance, Ruby-no-Kai