Koi No Katachi summary:

A father (Kazui) and son (Kei) love each other dearly. But when Emily, a girl from Kazui's past, visits them in Japan, their relationship starts to crumble under the threat of their own thoughts. . .*Shota*there is also another one by the same name scanlated by nodeadline by the same author but a whole different story.Basically one doctor is in love with kazui (not sure if it's the same one from nakama version,) and another dr is in love with him, it's quite a sad and tragic story, but its a good one.Prequel:Koi No Narumade