Ichijiru Onigiri Hitotsubu Manpuku
A shining example of Tokyo's new-age onigiri shops, crafting oversized gourmet rice balls with inventive fillings.

Tokyo’s onigiri scene has undergone a quiet revolution, and tucked away in the residential neighborhood of Koyama sits one of its most compelling ambassadors. Ichijiru Onigiri Hitotsubu Manpuku represents the new wave of standalone rice ball shops that are reimagining this humble Japanese staple with bold, gourmet sensibilities. Forget the pre-wrapped convenience store versions—this is onigiri elevated to an art form.
What sets this spot apart is the sheer ambition of the fillings. These aren’t dainty one-handed snacks; they’re substantial creations requiring both hands to wrangle. The fried shrimp with Japanese mayo delivers satisfying crunch and richness, while the otsukimi soboro—sweet minced meat crowned with a glistening raw egg yolk that evokes a golden moon—showcases the kitchen’s playful creativity. Every onigiri is made fresh to order, ensuring the rice maintains its ideal texture and warmth.
The owner brings genuine warmth to the experience, taking time to chat and offer personalized recommendations based on your preferences. It’s the kind of personal touch that makes dining in Tokyo’s quieter neighborhoods so rewarding. Yes, Koyama requires a bit of effort to reach from the usual tourist circuits, but that’s part of the charm.
For those seeking authentic Japanese comfort food without the price tag or pretension, this is an essential stop. Come hungry, come curious, and be prepared to discover why Tokyo’s onigiri renaissance is worth the trek off the beaten path.
Ichijiru Onigiri Hitotsubu Manpuku
Japanese • $
Location
6 Chome-6-14 KoyamaKoyama
Tokyo, Japan
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Perfect For
Must Try
- Fried Shrimp Mayo OnigiriCrispy fried shrimp folded into Japanese mayonnaise, wrapped in fresh rice
- Otsukimi SoboroSweet minced meat topped with a golden raw egg yolk resembling a moon