カフェインでしょう
kafeindeshō
1. Probably caffeine.
★ Common
Noun
#31739
1. Probably caffeine.
1. caffeine
1. it seems; I think
2. right?; don't you agree?
1. Was caffeine.
1. It is not caffeine.
1. Wasn't caffeine.
1. It was not caffeine.
1. Caffeine was.
1. If caffeine; When caffeine
1. Probably caffeine.