Is there a reason you're in the bamboo grove? Why yes there is. It's so you can get yourself some bamboo and make a flute out of it.
You cut down the bamboo and whittle a flute. You start playing a song. You know the reason why. An alien spacecraft comes flying down and drops a box full of alien tech (てき) in front of you.
Currently there are no similar looking kanji which exist in the WaniKani learning system