No problem. Here’s a few more:
1.14 American Greetings Corporation - 1999 StickerTime Fun & Games No. 38 (Pokemon)
Previously identified here: Orannge's identification thread - #130 by sableguy
1.15 2006 (April 21) Pokemon Ranger Class Up Sticker (Shogakukan)
The inside matches your sticker sheet.
This Amazon link states that it was released on April 21, 2006: Amazon.co.jp: ポケモンレンジャー クラスアップステッカー (まるごとシ-ルブック) : ポケモン: Japanese Books
1.16 2004 Pokémon Complete Character Encyclopedia Part 1
It is faint, but you can see the bottom match your sticker sheet.
