When Your Love Blossomed in April

'If this breakup hurts, I wish we never met...'
'I'm still holding onto the details of the love I once had...'
'My first memory of seeing you under the cherry blossom tree now leaves a feeling of sadness'
'You are the one who can change me, my fingers always want to hold your hand, hold you, and grab your body...'
And this heart of mine...
Just always there for you...

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A girl named Kisaki who is smart and has a slightly introverted personality is often bullied by her friends in class. One day a transfer student from Tokyo named Yoshimura tries to save Kisaki from the bullying. But unfortunately, he was seriously injured which made him lie in the hospital.
Kisaki feels guilty for involving Yoshimura in her life's problems. However, Yoshimura himself didn't mind because he couldn't bear to see a girl being bullied in front of his eyes, he helped her on his initiative.
Since then Kisaki has not bullied anymore, Kisaki who knows that Yoshimura is a person whose grades are below average tries to teach him as a reward for helping him that time. The two became close and got to know each other. Kisaki finds out that the mediocre Yoshimura who moved from Tokyo is trying to hide his true identity as a Yakuza descendant and he is trying to go far to live a peaceful life.
'He turned out to be a bad boy,' Kisaki thought at first, what's so good about being a Yakuza?
Of course, he was able to protect Kisaki from anything.
No matter how much Yakuza's blood runs through him... as soon as they look at each other, their hearts always beat fast. Kisaki also couldn't deny the existence of Yoshimura who had become a hero in her life.
Is this what call love at first sight?
“....”