This should be canon and no more nonsense with any guy, ever.
absolute mood
gosh the pain of seeing S1 and S2 Kumiko literally forgetting her childhood friend exists, just for her to suddenly become conscious of him and date for a bit in movie 3???
like did anyone in KyoAni realize that them holding hands and laughing was the first time they ever drew her smiling with him? it felt like character assassination
I can only hope the novels actually develop chemistry between the two of them greater or on par than with Reina because I felt NTR'd