Miss Sunflower by Sugano Manami — Ongoing

Also known as Himawari-san

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The bonding of a gentle and warm relationship between a librarian and a high school student.

Volume 1
Chapter 1 released Sep 20 '11
Chapter 2 released Sep 20 '11
Chapter 3 released Nov 3 '11
Chapter 4 released Dec 31 '11
Chapter 5 released Dec 31 '11
Chapter 6 released Jan 3 '12 Tsundere
Chapter 7 released Feb 1 '12
Chapter 8 released Mar 24 '12
Volume 2
Chapter 9 released Apr 24 '12
Chapter 10 released Aug 2 '12
Chapter 11 released Mar 9 '13
Chapter 12 released Mar 9 '13
Chapter 13 released Apr 20 '13 Blushing
Chapter 14 released Aug 7 '13
Chapter 15 released Nov 24 '13
Chapter 16 released Jan 5 '14
Chapter 17 released Jan 26 '14
Volume 3
Chapter 18 released Feb 8 '14
Chapter 19 released Mar 23 '14
Chapter 20 released Apr 20 '14
Chapter 21 released May 12 '14
Chapter 22 released Jul 30 '14
Chapter 23 released Sep 27 '14
Chapter 24 released Oct 12 '14
Chapter 25 released Oct 26 '14
Chapter 26 released Feb 3 '15
Volume 4
Chapter 27 released Jun 28 '15
Chapter 28 released Oct 13 '15
Chapter 29 released Dec 6 '15
Chapter 30 released Dec 3 '16
Chapter 31 released Jan 30 '17
Chapter 32 released Apr 4 '17
Chapter 33 released May 26 '17
Chapter 34 released Jun 11 '17
Chapter 35 released Jul 23 '17