All notes are written with pencils and colored pens. I am also selling other Toshin texts, so I can offer a discount for combined purchases. Feel free to comment. Instant purchase is OK. Those aiming for Todai, Osaka University, Tohoku University, medical school, Nagoya University, Kyushu University, Hokkaido University, etc., please consider. Sun-Dai, Kawaijuku, summer course, winter course.