Superintendent Akechi's Pretty Case Files - Vol. 1 Ch. 7 - Dead Man's Checkmate (The Great Chess Player Akechi): Solution Arc

[MangaDex]

 

[thatssoleon]

they pulled the the silly foreigner who got their food mixed up card impeccable deduction skills from the superintendent

 

[Elhao]

Definitely one of the easier ones to solve. I don't like that the reader had no way to follow the Soba/Onigiri switch, because we have only ever seen the characters' reactions, not the order itself.