How to Stop the Never Ending Unhappiness

This is the story of Udou’s brother, Takayuki from “Gosan no Heart”. One day, at the party Takayuki attends, he meets Takeuchi - his old classmate from high school 8 years ago. Takeuchi’s girlfriend in highschool was stolen by Takayuki. What will happen when the two meet? What will happen when one of them is drunk? Will Takayuki painful feelings of unrequited love come to an end or will there be a happy ending?

1. **Gosan no Heart: Juken Zenya** (誤算のハート～受験前夜～) 2. **Gosan no Heart: Juken Mattadanaka** (誤算のハート～受験真っ只中～) 3. **Gosan no Heart: Juken Shuusen** (誤算のハート～受験終戦～) 4. **Owaranai Fukou ni Tsuite no Hanashi: Mekakushi-hen** (終らない不幸についての話～目かくし編～) 5. **Gosan de Fukou na Gojitsudan** (誤算で不幸な後日談) 6. **Tokuten extras** 1 7. **Tokuten extras** 2 8. **Tokuten extras** 3 9. **Ienai Itami wo Daiteiru** (いえない痛みを抱いている) 1 10. **Ienai Itami wo Daiteiru** (いえない痛みを抱いている) 2 11. **Ibitsu na Kakera: Zenjitsudan** (いびつな欠片・前日譚) 12. **Sekai wa Kimi de Mawatteru: Kikkake** (世界は君で廻ってる・きっかけ) 13. **Laundry.** 14. **Gosan de Fukou na Koibana** (誤算で不幸な恋話)