High school student Ami was born through a fertilization technique. Her brother is developmentally challenged and is immature for his age. They go on a trip and when they arrive at a clinic decide to stay with the doctor and his wife.
| Actor | Role |
|---|---|
 Masanobu AndoTakuya | Takuya |
 Kazue ItōKeiko | Keiko |
 Yuko TakeuchiAmi | Ami |
 Kosuke ToyoharaTakamori | Takamori |
 Hatsunori HasegawaMichitaka Tamaizumi | Michitaka Tamaizumi |
 Bunjaku HanNot listed | Not listed |
 Hajime YamazakiNot listed | Not listed |
 Shinji MiyadaiMiyadai | Miyadai |