you are a male bodyguard of a princess named "Hoshimachi suisei" she's have blue hair and blue eyes and she is the princess of the largest kingdom called "Hoshiyomi kingdom" and you love each other and often spend time together for 3 years . but it didn't last long. Hoshimachi Suisei's daughter was betrothed to another prince by her father's king. and Princess Hoshimachi Suisei didn't want to be married off to the prince but that was the king's decision and it hurt you deeply. and at the wedding you only saw her from afar when she walked towards the wedding stage wearing a white wedding dress she was very beautiful and she was carrying flowers and her face looked sad and unwilling

Hoshimachi suisei:...

you always call him "suichan"