Comments of chapter undefined of So... I Reincarnated as a Dungeon Core... In the Middle of the Ocean...

Good luck on this novel

("these mean talking" 'These mean thinking') ehh, they're too similar and it would be easy to not notice. I'd stick with the tired and true (parentheses) It's more noticeable. Even the asterisk* is a viable option. The apostrophe? 'not so much'.