In terms of fiction rules reiji is not toxic because a) he worked hard to give hard freedom b) he couldn't come in contact with hard all this time so meeting him now makes him want to spend more time with haru c) they're fated pairs, they can't help being obsessed. Now Eiji that motherfucker has the audacity to say its love when he only really wants is attention, purposely leaving haru to get 'that looks' haru gives. If you love haru then you would want to be with him not him chasing you
In terms of fiction rules reiji is not toxic because a) he worked hard to give hard freedom b) he couldn't come in contact with hard all this time so meeting him now makes him want to spend more time with haru c) they're fated pairs, they can't help being obsessed. Now Eiji that motherfucker has the audacity to say its love when he only really wants is attention, purposely leaving haru to get 'that looks' haru gives. If you love haru then you would want to be with him not him chasing you