At participating stores that sell Pokémon Card Game merchandise in Japan, the
Infinity Zone Challenge Campaign (ムゲンダイナチャレンジキャンペーン) will be held. A special mini card box and promotional card pack with 5 cards will be available only during this campaign. Those that purchase 2 Infinity Zone boxes (60 packs) can get the
Pokémon Center Lady (ポケモンセンターのお姉さん) 069/S-P promo card. The campaign starts on Friday, June 5th, 2020 until supplies last.
Source:
https://www.pokemon-card.com/info/2020/20200512_002401.html#cp2