[ganbaru]

Spoiler for answer:

Tooko's inner turmoil came from the fact than she had a goal ; to make Konoha becoming a real author (why I won't explain, it's in vol 8 ). So she helped him, , holded him, when he needed it. Doing so , she got closer of him and started to have feeling for him ( like Konoha started to have feeling for her). But she noticed the feelings way before Konoha did... but fighted them. She was in a tight position: she had to be close to him for helping him, but the closer she was, her feeling where getting stronger ... and getting in the way of her goal.