Drawing a square. c.p.51a plus by Atsushi Ohta
Drawing a square. c.p.62a by Atsushi Ohta
Drawing a square. c.p.94b by Atsushi Ohta
Drawing a square.2012. by Atsushi Ohta
c.p.22 a,b,c by Atsushi Ohta
c.p.23. a 〜c. by Atsushi Ohta