[Nekottorando (Pan)] The Private Lesson (THE IDOLM@STER CINDERELLA GIRLS) [Digital]
(C84) [Circle Ohigetan (Ohigetan)] Ohigebon-43 Suieibu! | Swimming Club! [English] [HappyMerchants]
[pink-noise (Mizuiro Megane)] Girl on Mom: Himitsu no Bust Lesson | Girl on Mom: Secret Bust Lesson [English] {/u/ scanlations}
(C89) [Studio Fatality (Yanagie)] DONUTS LESSON (THE IDOLM@STER CINDERELLA GIRLS)
(Seishun Cup 13) [Onigiriya (Omusubi)] Zunouha Kagai Lesson (Inazuma Eleven GO)
(Love Song ☆ Lesson ♪ 13th) [OCELOT (Kadita)] Aka ni Nokoru Adabana (Uta no Prince-sama)
-swimming classroom
[Ao Banana] AV Lesson Hajimeruyo | AV授業要開始了喔 [Chinese]
Suiren Mama no Miwaku no Kojin Lesson
[Dorachefu] Muchimuchi Kanojo no NTR Hoshuu Jugyou | NTR – Voluptuous Girlfriend's Supplementary Lesson (ANGEL Club 2018-07) [English] [seindryu] [Digital]
Yumemi Riamu no Tokubetsu Lesson | Riamu Yumemi's Special Lesson
(CT10) [Moehina Kagaku (Hinamatsuri Touko)] Lesson (Moetan)