Every year, Suna has received an anonymous letter and chocolate on Valentine's Day. Every time, the letter says, "I don't need anything in return, but please like me." One day, Takeo senses a strange presence behind them, and meets the sender of the letter, Amami Yukika. After hearing about her longtime feelings for Suna, Takeo decides to help her!
sometimes, I don't want him to date 
anyone for the rest of his life.
أحيانًا لا أريده أن يواعد أحدًا لبقية حياته
dann möchte ich, dass auch keine andere
mit ihm das Leben verbringen kann.
que si no puede ser mío, prefiero que 
no esté con nadie en toda su vida.
que si no puede ser mío, prefiero que 
no esté con nadie en toda su vida.
je veux qu’il ne sorte 
avec personne.
non voglio che esca con nessun'altra
per tutta la sua vita.
não quero que fique com 
nenhuma outra pelo resto da vida.