Based on the search results and available information, here are the top 30 restaurants in Japan that serve 100% pure vegetarian food in Japan, along with their pricing, location, and popular dishes:

Brown Rice Cafe (Tokyo)

• Location: 5-1-8 Jingumae, Shibuya-ku, Tokyo
• Price: ¥2,000-3,000 per person
• Popular dishes: Grilled miso tofu, seasonal vegetable dishes, curry

Ain Soph. Ginza (Tokyo)

• Location: 4-12-1 Ginza, Chuo City, Tokyo
• Price: ¥1,500-2,500 per person
• Popular dishes: Vegan pancakes, vegetable curry, plant-based burgers

T’s Tantan (Tokyo)

• Location: 1-9-1 Marunouchi, Chiyoda City, Tokyo (inside Tokyo Station)
• Price: ¥1,000-2,000 per person
• Popular dishes: Vegan ramen, gyoza, soy meat dishes

Vegan Eat Tokyo (Tokyo)

• Location: 1-22-5 Asakusa, Taito City, Tokyo
• Price: ¥2,000-3,000 per person
• Popular dishes: Vegan sushi, tempura, Japanese-style set meals

Saido (Tokyo)

• Location: Near Jiyūgaoka station, Tokyo
• Price: ¥2,000 per main course
• Popular dishes: Vegan noodle and rice dishes

Shojin Ryori Daigo (Tokyo)

• Location: Atago, Minato City, Tokyo
• Price: Lunch ¥19,000-20,000, Dinner ¥30,000-38,000
• Popular dishes: Traditional Buddhist vegetarian cuisine

Nataraj (Tokyo)

• Location: 5-30-6 Ogikubo, Suginami-ku, Tokyo
• Price: Lunch buffet around ¥1,500
• Popular dishes: Indian vegetarian curries, naan bread, vegetable dishes

Soranoiro (Tokyo)

• Location: 1-3-10 Hirakawa-cho, Chiyoda-ku, Tokyo
• Price: ¥1,000-1,500 per person
• Popular dishes: Vegan veggie ramen, gluten-free options

Izakaya Masaka (Tokyo)

• Location: B1 of Parco Shibuya, Tokyo
• Price: Dishes ¥450-550, Bentos ¥800-1,000
• Popular dishes: Vegan karaage, gyoza, Japanese-style pasta

Mominoki House (Tokyo)

• Location: 2-18-5 Jingumae, Shibuya, Tokyo
• Price: ¥1,500-3,000 per person
• Popular dishes: Organic vegetable dishes, vegan options

VEGAN GYOZA YU (Tokyo)

• Location: 3-11-17 Negishi, Taito City, Tokyo
• Price: ¥1,000-2,000 per person
• Popular dishes: Vegan gyoza, small plates

まるごとVeganダイニング浅草 (Marugoto Vegan Dining Asakusa) (Tokyo)

• Location: 1-3-13 Hanakawado, Taito City, Tokyo
• Price: ¥1,000-2,000 per person
• Popular dishes: Vegan curries, burgers, rice bowls

Zen (Tokyo)

• Location: Shinjuku, Tokyo
• Price: ¥1,500-3,000 per person
• Popular dishes: Vegetarian okonomiyaki, grilled vegetables

Sorano (Tokyo)

• Location: Shibuya, Tokyo
• Price: ¥3,000-5,000 per person
• Popular dishes: Various tofu dishes, vegetable tempura

Great Lakes (Tokyo)

• Location: Takadanobaba, Tokyo
• Price: Burgers from ¥600-950
• Popular dishes: Vegan burgers, shakes

Injoy 悦納 (Tokyo)

• Location: 1-9-1 Hanakawado, Taito City, Tokyo
• Price: ¥2,000-3,000 per person
• Popular dishes: Vegetarian and vegan Japanese cuisine

Plant-Based Tokyo (Tokyo)

• Location: Inside Food Hall Blast! near Shinjuku station, Tokyo
• Price: ¥1,500-2,000 per set
• Popular dishes: Vegan pasta, salads, karaage

Yachego (Tokyo)

• Location: Near Ikejiri-Ohashi station, Setagaya, Tokyo
• Price: Affordable (specific prices not provided)
• Popular dishes: Vegan Korean food

Ebisu Taku (Tokyo)

• Location: Ebisu, Tokyo
• Price: ¥48,000-50,000 per person
• Popular dishes: Custom vegetarian omakase

Koizumi (Tokyo)

• Location: Ebisu, Tokyo
• Price: ¥18,000-25,000 per person
• Popular dishes: Modern Japanese vegetarian cuisine with French influence

Nouka no Daidokoro (Tokyo)

• Location: Near Shinjuku-sanchome Station, Tokyo
• Price: ¥8,000-10,000 per person
• Popular dishes: Farm-to-table vegetarian Japanese cuisine

Haute Couture Cafe (Tokyo)

• Location: Not specified
• Price: ¥7,000-8,000 per person
• Popular dishes: Vegetarian afternoon tea sets

Dhaba India (Tokyo)

• Location: Ginza/Tokyo Nihonbashi
• Price: ¥1,000-2,999 per person
• Popular dishes: Vegetarian and vegan Indian cuisine

Downtown B’s Indian Kitchen (Tokyo)

• Location: Roppongi, Tokyo
• Price: ¥1,000-2,999 per person
• Popular dishes: Vegetarian Indian dishes

Annam Indian Restaurant (Tokyo)

• Location: Ginza, Tokyo
• Price: ¥1,000-2,999 per person
• Popular dishes: Authentic vegetarian Indian cuisine

Priya Indian Restaurant (Tokyo)

• Location: Ginza/Tokyo Nihonbashi
• Price: ¥1,000-2,999 per person
• Popular dishes: Vegetarian curries and biryanis

Ashoka Shinjuku (Tokyo)

• Location: Ginza/Tokyo Nihonbashi
• Price: ¥1,000-2,999 per person
• Popular dishes: Diverse vegetarian Indian and Asian dishes

Rajmahal Ginza (Tokyo)

• Location: Ginza, Tokyo
• Price: ¥1,000-2,999 per person
• Popular dishes: Vegetarian Indian curries and tandoori specialties

Andhra Dining Ginza (Tokyo)

• Location: Ginza/Tokyo Nihonbashi
• Price: ¥1,000-2,999 per person
• Popular dishes: South Indian vegetarian specialties

Mumbai (Tokyo)

• Location: Yotsuya, Tokyo
• Price: ¥1,100-4,500 per person
• Popular dishes: Vegetarian Butter Chicken Set (¥1,180), Mumbai Set (¥1,930)