Nozomu Futami -

Yuuya Hiyama - scraia_kun

Kenmochi -

Billy -

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Sumireko Ichijou - chirayochan
Kaoruko Ichijou

Yura Sakurazuki - aiyuu_chan
Kira Sakurazuki - onia_chan

Ruru Hinagiku -
Rara Hinagiku -

Souju Shirogane - kiramiki
Sara Shirogane - zeldi_chan

Ai Momoi - hitorichi
Mai Momoi -

Ui Chigusa -
Koi Chigusa -

Any other characters can be added by request. Make sure you link to this blog post, somewhere on your LJ, saying what character you chose. =3 Like on your LJ Profile or in a post somewhere:
"I am ..... in the Futakoi Blog Crew."