Lol, the author tried too hard on this one and still failed by making it serious/complicated yet not make any sense. The whole erotic thing was acceptable because it was light-hearted nonsense, this is just stupid.
guessing from what your saying the house only gets bigger when she get pregnant. and does not add actual kids with physical bodys connected to the house like her?/
Me: Sakura ill fulfill your desires
Sakura: Really you'll do them all? Q///Q
Me: Yes
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Me: *five minutes later* *Jumping on one foot wearing a clown suit while juggling flaming torches and balancing a chainsaw on my toungue* shati-fied yhet
Sakura: Gimme More!!!!!