My Boy in Blue Vol. 13 (Kodansha, 2019)

With Yui's problems solved, Kako and Kota can finally spend more time together. Kota helps Kako study, then rewards her with a kiss! Finally, the chance to act like a pair of lovebirds! ...Or so they thought, but thanks to Kota's busy work schedule, they end up not seeing each other for a while. During that time, some kind of major incident seems to befall Kako?! Realizing this, Kota enters ""coddle Kako like crazy"" mode! A full-volume romantic comedy, and the sweetest volume in series history!