I don't know how to look at this chart.
There are various ways of seeing and understanding.
If you look at it from a different point of view, we could consider Tofugu to be tofu that's fugu flavor.
The way you see is the way of seeing something. This is like when someone has a dumb opinion and you're like "oh, okay, so that's one way of seeing it..."
This word uses the readings of the kanji you've already learned, even though they're kun'yomi.