How I Lose Bets With My Sadistic Gifted Childhood Friend and She Steals All of My Firsts by Inukai Anzu and Konata Eru — Ongoing

Also known as Shouwaru Tensai Osananajimi to no Shoubu ni Makete Hatsutaiken o Zenbu Ubawareru Hanashi and Ubaware

Volume 1

Chapter 1 released Feb 24 '24 Legs

Chapter 2.1 released Mar 7 '24

Chapter 2.2 released Mar 21 '24

Chapter 3.1 released Apr 5 '24

Chapter 3.2 released Apr 18 '24

Chapter 4 released May 21 '24 Kabedon Navel play Sports

Chapter 5 released Jun 15 '24 Bath Ecchi

Chapter 6 released Jul 6 '24

Chapter 7 released Jul 27 '24 Ecchi

Chapter 7.5: Extra Chapter 1 released Aug 9 '24

Volume 2

Chapter 8 released Oct 2 '24

Chapter 9 released Nov 15 '24

Chapter 10 released Dec 21 '24

Chapter 11 released Jan 17 '25

Chapter 12 released Feb 23 '25 Biting Finger licking Legs Swimsuits

Chapter 13 released Mar 22 '25 Lots of animals

Volume 3

Chapter 14 released Apr 19 '25 Ecchi

Chapter 15 released Jun 17 '25

Chapter 16 released Aug 17 '25 Aaaaaangst

Chapter 17 released Sep 25 '25

Chapter 18 released Nov 6 '25 BDSM Biting

Chapter 19 released Dec 15 '25