Namae wa Mada Nai

3-byou Rule (3秒ルール, The Three-Second Rule)
Uracoi (Sitting Behind The Girl I Love)
Koi wa Oshizuka ni (恋はお静かに, Love Me Softly)

Yuki is hit with a ball and passes out. When she recovers in the infirmary she is visited by the class representative and begins to hear a voice in her head...
Keshisaru Koi to Negaigoto (消し去る恋と願い事, Erasing Love and Wishes)

5-7. Namae wa Mada Nai (名前はまだない, As Yet I Have No Name)
Recalculation

Amemori hears a rumor that her classmate, Kisaragi, has gotten a boyfriend.
Tokumei Prologue (匿名プロローグ)