Where it comes from
The line in the source
1位（初登場）Switch ポケットモンスター スカーレット・バイオレット 253万7292本 (Famitsu ranks the pair as ONE title: 2,537,292 copies; Double Pack not a separate row). Dengeki page S:Q79.G-6 gives only combined 3-day Japan 405万 and is not a weekly chart. NEGATIVE: no split found in Famitsu; Dengeki weekly chart and 4Gamer/GameWatch NOT read