Kanojo No Kagi Wo Akeru Houhou彼女の鍵を開ける方法; 裤妹我爱你; 褲妹我愛妳; Kanojo no Kagi o Hirakeru Houhou; Kanojo no Kagi w Akeru Houhou; Kanojo no Kagi wo Hirakeru Houhou
- #70 - Key 70: And they Key's yours07-09-2021
- #69 - Chapter 6905-06-2021
- #68 - Chapter 6804-20-2021
- #67 - Chapter 6704-11-2021
- #66 - Key 66: You're important to me#66 - Key 66: You're important to me03-10-2021
- #65 - Key 65: Let's take a bath with Mai-chan's little sister#65 - Key 65: Let's take a bath with Mai-chan's little sister02-09-2021#65 - Key 65: Let's take a bath with Mai-chan's little sister
- #64 - Key 64: Mai-chan's little sister's arrived#64 - Key 64: Mai-chan's little sister's arrived01-09-2021#64 - Key 64: Mai-chan's little sister's arrived
- #63 - Key 63: The black-haired girl is staying over#63 - Key 63: The black-haired girl is staying over12-14-2020
- #62 - Key 62: The person wanted by that black-haired girl (Part 2)#62 - Key 62: The person wanted by that black-haired girl (Part 2)11-20-2020
- #61 - Key 61: The person wanted by that black-haired girl (Part 1)#61 - Key 61: The person wanted by that black-haired girl (Part 1)10-26-2020#61 - Key 61: The person wanted by that black-haired girl (Part 1)
- #60 - Key 60: The first and the last time (Pretending)#60 - Key 60: The first and the last time (Pretending)09-27-2020
- #59 - Key 59: The ambition to diet#59 - Key 59: The ambition to diet08-30-2020#59 - Key 59: The ambition to diet
- #58 - Key 58: The Girls' Three-Way Struggle#58 - Key 58: The Girls' Three-Way Struggle08-05-2020
- #57 - Key 57: Summer's Lost Item#57 - Key 57: Summer's Lost Item07-07-2020
- #56 - Vol.8 Chapter 56: Key 56: And So The Summer Break Has Ended#56 - Vol.8 Chapter 56: Key 56: And So The Summer Break Has Ended06-14-2020#56 - Vol.8 Chapter 56: Key 56: And So The Summer Break Has Ended
- #55 - Key 55: After the Summer Festival#55 - Key 55: After the Summer Festival05-18-2020#55 - Key 55: After the Summer Festival
- #54 - Pop ✩ Star's Trip & Return#54 - Pop ✩ Star's Trip & Return04-26-2020#54 - Pop ✩ Star's Trip & Return
- #53 - Key 53: Mid Summer Firm-sided backpack DX#53 - Key 53: Mid Summer Firm-sided backpack DX03-28-2020
- #52 - Key 52: The chance to see her in a shirt#52 - Key 52: The chance to see her in a shirt03-03-2020#52 - Key 52: The chance to see her in a shirt
- #51 - Vol.06 Ch.051#51 - Vol.06 Ch.05102-04-2020