The official Japanese Pokémon website has announced that a new line of collectables called the
Mini Figure Collection Good Night! Pikachu ★ Night Parade (ミニフィギュアコレクション おやすみなさい!ピカチュウ★ナイトパレード) and it will be sold at the Pokémon Centers in Japan and at the Pokémon Center Online. There are 10 different mini figures to collect and they will be available to purchase starting April 20th, 2019 for 463 yen each.
Mini Figure Collection Good Night! Pikachu ★ Night Parade:
1. Star
2. Pajamas
3. The First Star
4. Hot Milk
5. Merriep
6. Lights
7. Eievui
8. Pikachu
9. Candle
10. Jirachi
Source:
https://www.pokemon.co.jp/info/2019/04/190405_p02.html