Related party transactions (Tables)

9 Months Ended

Jun. 30, 2026

Related Party Transactions [Abstract]

Schedule of related party transactions

		For the three months ended June 30,								For the nine months ended June 30,
		2026				2025				2026				2025
		US$ (Unaudited)				US$ (Unaudited)				US$ (Unaudited)				US$ (Unaudited)
BEYEBE AI Technology Inc. (“BEYEBE”)
- Interest expense/(income)			4,610				-116				10,829				986

Shenzhen Beyebe Internet Technology Co. Limited (“SZ BEYEBE”)
- Fixed fee license revenue			70,500				70,500				211,500				211,500
- Royalty revenue			—				—				29,399				34,796
- Rental expense			4,404				4,179				13,008				12,550

		For the three months ended June 30,								For the nine months ended June 30,
		2026				2025				2026				2025
		US$ (Unaudited)				US$ (Unaudited)				US$ (Unaudited)				US$ (Unaudited)
Weihong Du
- Payroll expense			7,500				37,500				22,500				52,500

Li’ou Xie
- Payroll expense			23,120				21,947				69,320				65,653

Liumei Li
- Payroll expense			9,000				—				27,000				—

Schedule of balances with related parties

		As of June 30, 2026				As of September 30, 2025
		US$ (Unaudited)				US$
Amount due to shareholders:
Weihong Du			5,286				760
Li’ou Xie			5,763				2,635
Total amount due to shareholders			11,049				3,395

Amount due to related parties:
BEYEBE			327,802				115,871
SZ BEYEBE			325,600				370,919
Liumei Li			17,293				7,293
Total amount due to related parties			670,697				494,083