Wooyobitme's manga / #Black and White(521)

Ohmygod this was so beautiful. The seme has multiple personalities and the uke is able to recognize and appreciate each one. They actually met as kids but uke forgot. The story is about them getting together but also the other personalities starting to dissappear once they are satisfied. The uke is worried the personality he is inlove with will also disappear because he doesn't know who the main personality is