Sek Sensei's World's Easiest-to-Understand English Grammar & Vocabulary Set Sek Sensei's World's Easiest-to-Understand English Grammar Price: 1,650 yen (tax included) Publisher: KADOKAWA Author: Masao Seki Sek Sensei's World's Easiest-to-Understand English Vocabulary Price: 1,650 yen (tax included) Publisher: KADOKAWA Author: Masao Seki I am selling these because I no longer use them. There is some soiling. There is no problem with reading them. Please refrain from purchasing if you are sensitive to used items, as they have been stored at home. Immediate purchase without comment is preferred. Price negotiation is possible ⭕️ (Significant price reduction is not possible ❌)