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

Delinky
Chapter 1 released Oct 5 '20
Chapter 2 released Aug 23 '21 Kabedon
Chapter 3 released Sep 2 '21
Chapter 4: A Delinquent, A Transfer Student, and The Mysterious Word Upon Her Face released Sep 25 '21 New Year's