初恋 @ Oricon album daily chart:
2018.06.26 - No. 1 - 78,948 copies
2018.06.27 - No. 1 - 50,814 copies
2018.06.28 - No. 1 - 21,427 copies
2018.06.29 - No. 1 - 12,460 copies
2018.06.30 - No. 1 - 17,753 copies (total: 181,402 copies)
Fantome's comparison:
Day 1: 87,088
Day 2: 49,728
Day 3: 27,782
Day 4: 25,038
Day 5: 28,889 (total: 218,525 copies)
If Hatsukoi can sell around 15K tomorrow, it should be able to break 200K on first week
.