初恋 @ Oricon album daily chart:
2018.07.02 - No. 1 - 8,155 copies
2018.07.03 - No. 3 - 8,790 copies
2018.07.04 - No. 2 - 7,806 copies
2018.07.05 - No. 1 - 4,195 copies
2018.07.06 - No. 1 - 4,445 copies
2018.07.07 - No. 1 - 6,945 copies
2018.07.08 - No. 1 - 12,511 copies (est. total: 52,847 copies)
kuma power ftw 
Not sure if she can get weekly no.1, since that boy group (?) got over 30K on the first day.
Edit: She is weekly no. 2.
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Rekochoku Monthly Ranking (June):
Single - 初恋 - No. 1
Hi-res single - 初恋 - No. 1
Album - 初恋 - No. 2 (lost to Sandaime, but they released the album in the beginning of June)
Hi-res album - 初恋 - No. 1
Uta - 初恋 - No. 1