Responses
Didn't see them on my last read through, but bunnies are referenced lots of times:
http://www.mangago.me/read-manga/honto_yajuu/mf/v03/c006.2/12/
http://www.mangago.me/read-manga/honto_yajuu/mf/v04/c007.3/21/
http://www.mangago.me/read-manga/honto_yajuu/mf/v05/c010.6/7/
http://www.mangago.me/read-manga/honto_yajuu/mf/v05/c015.2/pg-6/
http://www.mangago.me/read-manga/honto_yajuu/mf/v05/c015.7/pg-3/
Did someone know the chapters When Aki wear cat ears and bunny ears ?? (Not the one with the total cat costume)