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kaname rei asked a question

I read this manga 10 years ago and i sudd tot of but can't rmb the name.

It's about a girl in middle/high-school, she has social anxiety so she can't make friends in class. So she started a blog to talk about her life. Her blog only has 1 follower who always reply to her.

There's this good looking really nice popular guy in her class and she looks up to him.

She really likes sunflower and takes care of one in the school.

There's another guy in her class that's more quiet and cool vibes and he turned out to be that one follower of her blog.

It's a really short and cute story pls help me find