
i feel like kotaro just realized he wasn’t as bad as he thought he was. i think he started thinking of him more as a friend, and not a love interest. he never liked him enough even after taking care enough to consider dating him. you can be worried about friends, and care about friends. he’s truly in love with ayumi and it’s so easy to see.

Wait wait no, the reason why he thought of Kyujo while having phone sex is because Kyujo kissed him on the forehead, he doesn't want anyone but Ayumi to kiss him, so at the end of the phone sex, when Ayumi was about to kiss him, he pressed the phone against his forehead, which literally meant Kotaro wanted Ayumi to overwrite Kyoji's kiss. Did you even read the manga? Lol. Also wouldn't you feel guilty when you splashed boiling water all over someone's arm?? Also what's wrong with liking his books, as long as you don't like the person himself? And I know it was wrong of him not telling Ayumi that he was looking after Kyoji, but what can he do? He just thought it's not that big a deal as long as he gets it over with and doesn't do anything with Kyoji. And I think he defends himself from Kyoji pretty good.

It is a big deal if you keep things from your partner. If you're spending time with someone they don't like and the person is interested in you. If you don't mind your partner secretly spending time with someone that's interested in them and kissed them, that's on you.
No need to be condescending and asking me if I read the manga.

Personally I wouldn't care if I accidentally poured hot water on a guy that kept harassing me. He didn't understand the word know and kept forcibly kissing him. He should have left the company and applied to other places. It's not like he was depending on that job for a living. That's just my opinion. I don't like people that are pushy, and I still feel like he started getting feelings for him.

I stated facts that have caused me to believe he has feelings for the other guy. Nothing you said changed the fact that he started thinking about the other guy (fact) thought about him during sex( fact) hid the fact that he was working for a guy that his partner hates (fact) hid the fact that this guy was constantly touching him and kissing him, and he let the situation continue (fact). He never did anything to stop this, even let him into his home while his partner is gone (fact).
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am i the only one annoyed by him? he constantly keeps secrets from his partner.
i get the feeling he was starting to develop feelings for kyujo especially since he thought of him and felt guilty thinking of him. he even thought of him while he was having phone sex with his partner. he gets texts from him and lies to his partner that its messages from his brother.
lying that hes doing overtime work, while going to the house of the man that tried to rape him.
i feel like he had feelings for him and the author never really resolved that.