Gonna need someone to start a pixiv general thread soon.

source:
"twintailed senpai and the black haired kouhai"

ツインテ先輩と黒髪後輩
http://www.pixiv.net/member_illust.php?mode=medium&illust_id=60202575

Pg 1: "Um I turned into a girl"

pg 2: (I was thinking of confessing to her, but now that happening are zero.)

"Oh wow, to think it'd happen to you too."

pg 4:
"I'll help you with anything as your senpai!"