IV in autograph session of Shibuya (Ameba なう)

イヴ took picture of himself when he was in Part 2, 3 and 4 of the autograph session. Where is the part 1 picture? In his blog post (laugh).

[3/25 15:59] 二部の俺

[3/25 16:00] 三部の俺。もーすぐ四部

[3/25 16:58] 四部の俺！

source: イヴ Ameba なう