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◆There's a "moaning class" that teaches young wives how to moan! ◆Umi (29 years old), who can't hold back her moans, is troubled by the fact that she can't express her feelings well, which has led to a decrease in the frequency of sex. ◆As she takes classes that include practical training, her hidden moans and sexual desire are released! She squirts a lot while moaning! ◆Mariru (21 years old), who worries about not having had sex with anyone other than her husband, has a secret...