Here is Otogimoyou Ayanishiki Futatabi chapter 21
Here is mangadex reader link:
https://mangadex.org/title/416e9b22-ea7a-4ac5-98f2-fe63c49dec8a/otogi-moyou-ayanishiki-futatabi
Here is Batoto link:
Here is Otogimoyou Ayanishiki Futatabi chapter 21
Here is mangadex reader link:
https://mangadex.org/title/416e9b22-ea7a-4ac5-98f2-fe63c49dec8a/otogi-moyou-ayanishiki-futatabi
Here is Batoto link: