from: https://www.youtube.com/watch?v=W6RSImriju8

49日前 不定積分

from: https://www.youtube.com/watch?v=gtCX2LvxmBk

トケイノハリ 不定積分

from: https://www.youtube.com/watch?v=3uQJZhkWEDk

from: https://www.youtube.com/watch?v=R4yrpwfFCl8

from: https://www.youtube.com/watch?v=U_QQq98fkl4

from: https://www.youtube.com/watch?v=m__0YOaVPGs

from: https://www.youtube.com/watch?v=qOsWO8aRwoo

from: https://www.youtube.com/watch?v=z1PqHoK4E4A

from: www.youtube.com/watch?v=ZpyueT99038

from: https://www.youtube.com/watch?v=Ifvb-nAfc9U

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reuploading songs i couldnt find on soundcloud
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RESPECT.