Because I Don't Like My Big Brother At-All--!!

Eri Kitamura

Nao Takanashi (voice)

Kazusa Aranami

Mayuka Kondou (voice)

Toshiyuki Toyonaga

Shuusuke Takanashi (voice)

Sayaka Ohara

Nanaka Takanashi (voice)

Hideki Ogihara

Shuuji Takanashi (voice)

Ryoko Shiraishi

Hirono Kusuhara (voice)

Shinnosuke Tachibana

Keiichiro Kishikawa (voice)

Eriko Nakamura

Haruka Katou (voice)

Mitsuhiro Ichiki

Daigo Kurozaki (voice)