https://ncode.syosetu.com/n8036dn/4/

https://www.worldsys.org/europe/russian-male-names/#google_vignette

https://rosiagokitchen.com/russian-slang-2020/

https://jp.rbth.com/education/81517-honyaku-fukanou-roshiago-no-furezu

https://ruslife.net/russian_sns_slang/