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Koichi Sembu
Professional TeacherProfessional Teacher![]()
Teaches
Japanese
Native
Speaks
English
Chinese (Mandarin)
Korean
Portuguese
Russian
Spanish
Vietnamese
Teaches
Japanese
Native
Speaks
English
Chinese (Mandarin)
Korean
Portuguese
Russian
Spanish
Vietnamese
From JapanLiving in Kasukabe, Japan (01:35 UTC+09:00)
About Me
italki teacher since May 31, 2011InterestsSports & FitnessTechTravel
I was born, and live in Japan. I have been teaching Japanese for 10 years, during which I taught over 20,000 lessons. I have taught via Skype people living all over the world, ranging from children to adults, students and professionals.5.0
Rating
1,195
Students
13.6k
Lessons
100%
Attendance rate
100%
Response rate
Japanese Lessons
Trial Lesson
694 lessons completed
USD 13.00+
⭐上級日本語会話 30 minutes (JLPT N2以上の合格者のみ。日本時間で月曜日～木曜日の13:00-16:30のみ。)
C1 - C2Conversation1,394 lessons completed
USD 13.00+
General Japanese 45minutes
A1 - C2Language Essentials4,011 lessons completed
USD 18.00+
Package with 10% off
Availability
Based on your timezone (UTC+00:00)
2,242 Reviews
Maria
232 Japanese lessons
Teacher’s pick
私ははじめて日本語のレッスンがありました。とてもおもしろかったです。
Mar 10, 2016
summer
31 Japanese lessons
Teacher’s pick
この３ヶ月の勉強はすごく楽しかったです！仙部先生と一緒に、日常会話をたくさん練習して、日本の文化を味わいて、いろいろ勉強になりました。今月、日本に行ったら、新しい生活が始まります！頑張りたい！先生、お疲れ様でした！本当にありがとうございます！
Feb 28, 2014
Markus Gfeller
225 Japanese lessons
Strongly recommend Sembu-san as he continues my teacher for many years with a lot of patience...😅
May 23, 2025
茹慧蒂/Rita
7 Japanese lessons
Teacher’s pick
お疲れ様です
Nov 18, 2015
Laura
1 Japanese lesson
Super nice guy. I recommend him for conversation classes since that's what we did.
Aug 15, 2025
john florez
4 Japanese lessons
Thank you for a great Japanese lesson!
Nov 2, 2024
Trial Lesson
USD 13.00
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