Searching for the best kakigori in Tokyo

tl;dr:

• Azuki to Kouri (Yoyogi-Uehara)
• Ginza Ginger (Ginza)
• Oribe (Shimokitazawa)
• Asakusa Naniwaya (Asakusa)
• Magie du Chocolat (Jiyugaoka)
• Wa Kitchen Kanna (Sangenjaya)
• Yelo (Roppongi)
• Sabo Okuno Shibuya (Shibuya)