(App)
- Tap on the post you want to reply to.
- Tap on "Comment as 〇〇" displayed at the bottom of the screen.
- Enter your text, then tap the send button shown on the right.
(Web)
- Tap on the post you want to reply to.
- Tap on "Post" displayed at the bottom of the screen.
- Enter your text, then tap "Send" shown on the right.