I am not sure if those restaurants are tourist-friendly in terms of language. Please get your iPhone translator ready.

Tonkatsu🐷

Tonkatsu Kenshin （とんかつ憲進）

• https://maps.app.goo.gl/Y6URu5EEnhjscfu56
  • If you go early for lunch, you can walk in.
  • Kenshin’s chef was a apprentice at Narikura, the most popular (almost-impossible-to-make-a-reservation) tonkatsu restaurant in Japan.

Tokatsu Marushichi（とんかつ丸七　本店）

• https://maps.app.goo.gl/Zf2NxcPXeSdGo5RGA
  • A katsu-don featuring very thick tonkatsu with fried egg over rice.
  • Recommendation: Gokuatsu (極厚) or Jo (上).

Japanese Currey Rice🍛

Curry Bondy

• https://maps.app.goo.gl/rTQYaGPuPq6JQrGi8
  • Tabelog Hyakumeiten.
  • Nostalgic vibes.

Moyan Curry Akasaka Branch

• https://maps.app.goo.gl/fZMtWsaDcp1wUKw79
  • During lunchtime, salad buffet is available.
  • Recommend: Least spicy, pork and cheese.