Artist. On her pixiv profile page, she wrote her opinion about re-uploading her images. Formerly tagged as 30lg or dakadou.
Nickname: 30 (reading is given as Mitsumaru)
Old names: だからどうした (Dakara Doushita), だかどう (Dakadou), だから (Dakara) or どうした (Doushita)
Site name: So what?