As the draft was once proofread by my colleague, I hope English itself is not bad and needs minor changes. However, I would like to make it as perfect as possible (Finding any remaining typos, correct expressions when necessary).
Bidders of this project should be native English speakers of English.
Expert English command. Professional attitude. Can start today. Relevant Skills and Experience Level C2 English proficiency, experience proofreading. Proposed Milestones ¥2100 JPY - Deliver