1girl, 2021, animal_ears, arm_support, bangs, bean_bag_chair, birthday, blue_eyes, blue_hair, blunt_bangs, blush, book, bookshelf, cat_ears, claw_pose, coffee, coffee_mug, cup, dated, english_text, fish_tail, happy_birthday, looking_at_viewer, mug, multicolored_hair, open_mouth, plant, shark_tail, sharp_teeth, side_ponytail, silver_hair, sitting, smile, solo, streaked_hair, suspenders, table, tail, teeth, virtual_youtuber