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Whilst searching through Keita's room, Ako and Riko find a dirty magazine featuring siblings in a threesome. Wondering if they may end up doing the same thing with Keita, they end up having a "practice threesome" with a dummy.
First Air Date : Apr 05, 2010
Last Air date : Jun 21, 2010
Episode : 12 Episode
Season : 1 Season
Runtime: 25:14 minutes
Studio: AT-X
Country: Japan