dson1975 @dson1975
I'm Japanese.I want to make friends with people all over the world irrespective of race, age, gender. I'm learning English & French. TOEIC245→495
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数学で世の中を考察するためのオススメ本三冊。
3725pv 17 4
I'm Japanese.I want to make friends with people all over the world irrespective of race, age, gender. I'm learning English & French. TOEIC245→495