https://www.pixiv.net/users/10737846
https://www.pixiv.net/stacc/g3-holiday
https://twitter.com/G3_holiday_two
https://twitter.com/intent/user?user_id=507836244
https://holidayholiday.booth.pm
https://seiga.nicovideo.jp/user/illust/671975
https://www.nicovideo.jp/user/671975
https://skeb.jp/@G3_holiday_two