Depression, social anxiety disorder, etc. Not really psychological novels but the characters still hold on no matter the traumatic or problems they did face for long time. Of course, as fictions, they will have support or even unconditional supports from other characters. 

Story not necessarily full of angst or dog blood dramas.I found them (the novels) beautifully written and the translated, both authors and translators did great jobs.

I create the listto make me easier in finding them later … for re-reading, because I’m a sucker for this kind of touching tales.

Edit. Notes: mostly BL