A Delinquent, A Transfer Student, and Their Silly Little Game by Fujichika — Ongoing

https://www.pixiv.net/user/2578100/series/89144
https://comic-action.com/episode/3269754496556523502

Chapter 1 released Oct 5 '20

Chapter 2 released Aug 23 '21 Kabedon

Chapter 3 released Sep 2 '21 Food

Chapter 4: A Delinquent, A Transfer Student, and The Mysterious Word Upon Her Face released Sep 25 '21 New Year's

Chapter 4.5: Pixiv Extras released Jun 23 '23

Chapter 5 released Jun 26 '23

Chapter 6 released Jun 28 '23