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He said he got inspired from this model (he works in his shop, aboki)
http://aboki.img8.kr/soo/20160503/4_hs/tee/160503_4_hs_tee_600_1.jpg
http://aboki.img8.kr/DS/160503/1_hs/outer/20160524_sm_01_600_4.jpg
http://aboki.img8.kr/DS/160503/1_hs/outer/20160524_sm_01_600_5.jpg
http://aboki.img8.kr/DS/160503/5_hs/tee/20160530_sm_05_tee2_600_4.jpg
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If you cant open links, its this guy (●'◡'●)ノ
http://www.aboki.net/shop/shopbrand.html?xcode=055&type=Y
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That's mean to say.
For the ones who wondered how artist looked;
https://www.instagram.com/p/BMjAvTXAWtp/?taken-by=paktaejun&hl=id
Edit : Found out he is also friends with Shinee <3