A Sister's All You Need. Side Story: All I Need Is To Become His Sister! - Vol. 1 Ch. 1 - All You Need is to Become a Little Sister!

[MangaDex]

 

[justforthelulz]

Absolutely gratuitous spinoff. Followed.

 

[PrivatePublic]

Spin-off focused on best sistergirl? 100% in.

 

[ZdrytchX]

While I can tell they are physical scans, the quality is still pretty good. Thanks for picking this up

 

[Doctor_Who]

Thanks

 

[PYS]

Huh. Didn't actually expect someone to pick this up, even if its for a single chapter

Thanks a lot!