#TeamTakenoko all the way. Kinoko (also sold as Chocorooms stateside) are technically just biscuits. Takenokos (used to be sold as Chococones) are actual cookies.
Of course, that’s 2 Meiji products. If it’s an actual Japanese chocolate bar, nothing beats Black Thunder (ブラックサンダー). If you are flirting shamelessly with the SigOth, gun for the Pocky.