Yamada to Kase-san by Takashima Hiromi — Ongoing

Its

Sequel to Kase-san series: https://dynasty-scans.com/series/kase_san
Serialized in Wings magazine and published online on Web Wings: https://www.shinshokan.com/webwings/title43.html

Chapter 1: Dianthus and Kase-san released May 8 '17
Chapter 2: Sunflowers and Kase-san released Oct 25 '17
Chapter 3: Powdery Snow and Kase-san released Mar 18 '18
Chapter 4: Lipstick and Kase-san released Apr 5 '18
Chapter 5: Straw Hat and Kase-san released Jun 24 '18
Chapter 6: Phone and Kase-san released Aug 12 '18
Valentine and Kase-san released Aug 12 '18 Valentine's
Chapter 7: Roommate and Kase-san released Dec 12 '18
Chapter 8: Ginger Ale and Kase-san released Feb 21 '19
Chapter 9: Bouquet and Kase-san released Mar 27 '19
Chapter 10: Birthday and Kase-san released May 30 '19 Birthday
Chapter 11: Rival and Kase-san released Aug 10 '19
Chapter 12: Fireworks and Kase-san released Oct 4 '19
Chapter 13: Tapioca and Kase-san released Nov 25 '19
Lights Out and Kase-san released Feb 22 '20
Chapter 14: Moonlit Night and Kase-san released Apr 6 '20
Golden Week and Kase-san released May 1 '20
Chapter 15: Beachball and Kase-san released May 24 '20 Beach Swimsuits
Chapter 16: Portulaca and Kase-san released Jul 28 '20
On the Night of Yamada's Birthday released Sep 16 '20
Chapter 17: Crickets and Kase-san released Sep 29 '20 Tanline
Chapter 18: The Flowerbed Prince and Kase-san released Dec 2 '20
Chapter 19: Cosmos and Kase-san released Jan 29 '21
Chapter 20: Moth Orchids and Kase-san released Mar 31 '21
Chapter 21: Moth Orchids and Kase-san (Part 2) released Jun 1 '21 Legs Massage
Chapter 22: College Festival and Kase-san (Part 1) released Aug 1 '21
Chapter 22.2: College Festival and Kase-san (Part 2) released Oct 3 '21
Chapter 24: Present and Kase-san released Dec 9 '21 Birthday
Chapter 25: Holy Night and Kase-san (Part 1) released Feb 15 '22
Chapter 26: Holy Night and Kase-san (Part 2) released Apr 7 '22 Christmas
Chapter 27: First Shrine Visit and Kase-san released Aug 18 '22 New Year's
Chapter 28: Fortunes and Kase-san released Oct 15 '22 New Year's
Chapter 29: Teacup and Kase-san released Dec 29 '22
Chapter 30: Hickey and Kase-san (Part 1) released Jan 19 '23
Chapter 31: Hickey and Kase-san (Part 2) released Apr 3 '23 Love triangle
Chapter 32: Fukami and Kase-san (Part 1) released May 21 '23
Chapter 33: Fukami and Kase-san (Part 2) released Jul 26 '23
Chapter 34: Fukami and Kase-san (Part 3) released Oct 1 '23
Chapter 35: Moving and Kase-San (Part 1) released Dec 11 '23 Coming out
Chapter 36: Moving and Kase-San (Part 2) released Jan 22 '24
Chapter 37: Futon and Kase-san released Mar 22 '24 Sleeping
Chapter 38: Curry Rice and Kase-san (Part 1) released May 22 '24
Chapter 39: Curry Rice and Kase-san (Part 2) released Aug 9 '24 Food
Chapter 40: Lemon Sour and Kase-san released Oct 6 '24 Drunk