He got manipulated and taken advantage of by a toxic friend to the point his trauma relapsed after hearing that Narumi was alone like he used to be when he witnessed his mom slowly losing her life. In that moment Kou gave up fighting his mental health battle and just couldn't continue moving forward bc self doubts and hatred were eating him up. He felt guilty for forgetting his mom after focusing on Futaba, thought a relationship would hurt futaba in his current condition, that he wasn't allowed to be happy, afraid that being loved means losing ppl he loves and that he didn't deserve to be happy. Narumi dragged him back down to the Kou we saw in the bwginning. It's thanks to Kominato he pulled himself out of the depressed, miserable state he was in and realised time keeps moving thanks to futaba. He saw his faults, grows and learns- becomes the happy, life loving Tanaka Kou we later wittness who enjoys a sunset for it's beauty and who was finally free from the guilt and the burden. Kou tries to talk to Futaba but Narumi didn't call back and Touma noticed Kou making his mom and rushed Futaba into a relationship. "Suddenly" Touma couldn't wait any longer, demands a yes out of fear of losing his chance.
And yes they all annoying but that's the point of the manga, they are realistic, humane teens who make mistakes and are finding their way. They are 16.
He got manipulated and taken advantage of by a toxic friend to the point his trauma relapsed after hearing that Narumi was alone like he used to be when he witnessed his mom slowly losing her life. In that moment Kou gave up fighting his mental
health battle and just couldn't continue moving forward bc self doubts and hatred were eating him up. He felt guilty for forgetting his mom after focusing on Futaba, thought a relationship would hurt futaba in his current condition, that he wasn't allowed to be happy, afraid that being loved means losing ppl he loves and that he didn't deserve to be happy. Narumi dragged him back down to the Kou we saw in the bwginning. It's thanks to Kominato he pulled himself out of the depressed, miserable state he was in and realised time keeps moving thanks to futaba. He saw his faults, grows and learns- becomes the happy, life loving Tanaka Kou we later wittness who enjoys a sunset for it's beauty and who was finally free from the guilt and the burden. Kou tries to talk to Futaba but Narumi didn't call back and Touma noticed Kou making his mom and rushed Futaba into a relationship. "Suddenly" Touma couldn't wait any longer, demands a yes out of fear of losing his chance.
And yes they all annoying but that's the point of the manga, they are realistic, humane teens who make mistakes and are finding their way. They are 16.