Document and Entity Information	9 Months Ended
	Dec. 31, 2019 shares
Document And Entity Information
Entity Registrant Name	Achison Inc
Entity Central Index Key	0001672571
Document Type	10-Q/A
Document Period End Date	Dec. 31, 2019
Amendment Flag	true
Current Fiscal Year End Date	--03-31
Is Entity's Reporting Status Current?	Yes
Entity Shell Business	false
Entity Interactive Data	No
Entity Filer Category	Non-accelerated Filer
Entity Common Stock, Shares Outstanding	9,990,000
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020
Entity Emerging Growth Company	false
Entity Small Business	true
Amendment	FINRA find some mistake when we are filing Form 211