Thank you for picking this up to translate. Idk about mistakes tho, I leave that to the more knowing commentors. For me, I'm happy to see a learning translator pick this up.
Mochizuki Mito is going for it. Mito fell first (Mito's little sister helped her understand her feelings). Mito is now friends with Kanna's friends too. I don't want to spoil more, so I will just leave it there.
Thank you for picking up this series. It is a shame that it isn't more popular.
I follow the raws and the answer is yes.
They're not "dating" dating yet, but their mutual feelings are extremely apparent and it's something directly addressed by the story instead of just vibes.
Also, no wonder the macha taste extra bitter without the sweets. Part of the reason you eat sweets before the tea is to coat your mouth in sugar to dampen the bitterness of the tea. XD