1-3) The Boy in the Zipper Jacket
Kazuki, a high school student, enters into a casual sexual relationship with an older man he meets at a bar. Despite becoming attached to the affection, Kazuki is confused by his partner's apathy. His complicated life only becomes more so when Reiji, his playmate and the cold-hearted brother of his mother's kind-hearted fiancé Akira, enters the picture.
4) The Boy and His Neighbor's Canine Companion
A young boy develops a deep love for his neighbor's dog, gaining permission to walk it every day and forming a close bond with its owner.