Sou learn violent from his mom in the very young age, he didn't knew what it feels like to have feelings like the feeling of happiness, sadness and other type of emotions, but his mom always told him "there is someone will make you feel complete" he holds on that hope to believe someday it will happen. And it's true he meets her the girl name Lan Shan, she a young beautiful transfer girl from class, he was sit mate with her he want to talk but he is a shy type person can't even have confident to talk to her yet... but there's guys want to talk and take her away from him, he will kick all the rivals to get her... and he will try his best and be confident to be a normal school boy who have a crush on her and confessing to her someday... when will day happen?

Leina Morgan, since she is young she wanted to meet her brother, she wanted to be his side and stay with him forever. She believes that's sibling love is stronger than anything else but one day, her parents bring someone in the house and she finally meet the guy who looks like the imaginary brother she meet.

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Orax Xylen Yelny's father make an android human that have feeling name Ai Mikaze he will be the watch guard of Xylen for what she doing... and more and he learn a lot of emotions towards Xylen until he fall in love with her... Xaro Xylon Yelny, Xylen brother have been comatose beause he fall down from a high place he survive luckily and his father put him inside a capsule and create ai to wake up Xaro... Xaro told Ai that not all love story will end in happy ending...