Riri's stepmom Chichai is a very sexy smoker. Riri watches her and is tempted to start so she begs Step-Mom to let her smoke. When. Her stepmom lets her she is surprised to see that Riri is already a smoker (friends taught her). Chichai decides to punish Riri by making her smoke two at once, thinking she will get sick, and not want to smoke any more. But it doesnt work.