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I tried to take liberties with my neighbor's daughter.

A boy tries out a newly learned hypnotism on his sister-like neighbor who lives next door. The oneesan thinks the boy is cute and adores her like a real little brother, so she has no choice but to go along with his freshly learned hypnotism.
She is very excited when he asks her to be his future wife, and she says yes, but then he starts to get a little naughty, asking her to show him her tits.
The demands begin to become sexually explicit, with the sister thinking, "What should I do...?
The demands escalate, and finally....