Free! dj - Dakara, Kimi to

Pairing: Makoto x Haru

From Seabreeze Romance Scanlations:

Feeling like a burden to his dear friend, Haru, Makoto decides to give him some space and starts dating a girl from Iwatobi. Confused and in pain, Haru spirals down into bad sleeping and eating habits that lead him to get sick. In the meantime, the pair's friends can do nothing but watch how Makoto desires to be with Haru, and how Haru wants to be with Makoto but doesn't want to selfishly ask him to stay after he made his choice of having a girlfriend.