When the pizza delivery girl, Mochi Mona, shows up, Celestina surprisingly shows hints of attraction towards her, so River cheekily invites Mochi inside and tries to set her up with Celestina. Celestina catches on and gets flustered, asking why River doesn't hook up with Mochi herself. River coyly says they can SHARE and Mochi eagerly agrees, leading to a hot threesome where Celestina tries lesbian sex for the first time!