Talk:Mugen Climax / Ai wa Maru de Seidenki / Singing ~Ano Koro no You ni~/@comment-26525093-20161107185605/@comment-131168-20161107194612

It's a tricky thing. Comparing like with like is best, but a significant change in the way Oricon handles things makes that not really possible anyway. Are there any good Billboard numbers for previous singles for comparison?