17-sai Kara Yarinaosu Propose
17歳からやり直すプロポーズ
Osamu's girlfriend declines his marriage proposal, saying she wishes they had met in high school. Following an accident, he is transported back to his high school years. He attempts to locate her and rekindle their relationship, but upon meeting her, he discovers she has a twin sister.
Isinasalin pa — orihinal na teksto sa English.