
I agree on the Naru part, but...
Masato didn't heal his wounds by himself though.
If it wasn't for his friends pep talk he would still aimlessly going through this guilt trip.
Also if Asahi went after him I don't think it would solve anything without a clear mind.
Afterall if Naru and little brother didn't came back, they probably let their lust takes over.
They need some time alone to calm down and clear their thoughts.
When feeling ready they can talk things over with a clear and calm mind. Or else their thoughts would be all over the place and they go back to square one solving nothing.

I think Asahi could've done and said more. If he once did and it moved Masato. If he tried harder then Masato could've seen the truth without Iku telling him.
you see... after all. it was masato. he was hurt and yet he wrapped all his wounds on his own. do you still have the gut to hurt him any more than this? Sorry Asahi, you are too weak to be a lover. you can't do anything and yet masato came back bc he loves you.
Asahi! You DID NOTHING!!
Masato! EASY TO GET, EASY TO FORGET! learn this!
and you Naru! Go to hell! You let masato live with Asahi with zero assumption while you knew he was gay? F*ck with your hypocrisy!
Kousei! Mind your own business! the happiness your brother needs were supposed to be him to decide, not you! not from your own feeling.
I'm done now... Sorry I'm pissing off