Moral of the story: don't just wallow in your self pity. If you're a emotional baggage and slightly screwed in the head due to past traumatic relationships, chances are, the other side is probably a nutcase too. You might have low self-esteem and obsessive thinking pattern, but the other person also might have crazy busy schedule and low relationship experience. So just do whatever you want without thinking too much!
Read in order:
1. Ashita, Ano Bed de
2. Nemurenai Koibito
3. Kusuriyubi ga Shitteru
4. Mou Kimi o Matanai
5. Chizuka-san ni Tsutaete
Ashita, Kare no Bed de.