A princess and a knight and me just watching them

A collection of stories:

1-3. Hime to Knight to, Tonari to Watashi.
The one I'm falling in love with isn't my knight but I can't seem to forget about him… Just what should I do with these feelings of mine?

4. Bokura no Koi no Yamai
   Her close friend Hiiragi has suddenly forgotten her! Will she be able to get his memories back?

5. Seito Kaishitsu, Megane no Uso. - Kare ga Doku o Haku Riyuu
   Under hypnosis, the megane student council president confesses his love to me?! But wait! Is it only under hypnosis, it is really true?