Company: YCY-WT
Filing Date: 2025-09-30
Form Type: 8-A12B
Source: 0001213900-25-093803
Chunk: 1

Company: AA Mission Acquisition Corp. II
Filing Date: 2025-09-30
Form: 8-A12B
Chunk 1
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(Title of Class)</div>

Item 1. Description of Registrant’s Securities to be Registered.

The securities to be registered hereby are the units, ordinary shares and
warrants of the AA Mission Acquisition Corp. II (the “”). The description of the units, ordinary shares and warrants contained
under the heading “Description of Securities” in the registration statement initially filed with the SEC on August 22, 2025,
as amended from time to time (File No. 333-289768) (the “”) to which this Form 8-A relates is
incorporated herein by reference. Any form of prospectus or prospectus supplement to the Registration Statement that includes such descriptions
and that are subsequently filed are hereby also incorporated by reference herein.

Item 2. Index to Exhibits.

Pursuant to the Instructions
as to Exhibits for Form 8-A, no exhibits are required to be filed because no other securities of the Company are registered on The New
York Stock Exchange and the securities registered hereby are not being registered pursuant to Section 12(g) of the Securities Exchange
Act of 1934.

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SIGNATURE</div>

Pursuant to the requirements
of Section 12 of the Securities Exchange Act of 1934, the registrant has duly caused this registration statement to be signed on its behalf
by the undersigned, thereto duly authorized.

| Date: September 30, 2025 | AA MISSION ACQUISITION CORP. II |                         |
|:-------------------------|:--------------------------------|:------------------------|
|                          | By:                             | /s/ Qing Sun            |
|                          |                                 | Qing Sun                |
|                          |                                 | Chief Executive Officer |

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