Compilation of short stories:

[*] Sururi (Speedy)
Kanami agreed to date Hoshitani on impulse, but over time as she gets to know Hoshitani better, she learns that he slept with his ex-girlfriend, Sae, which makes her feel insecure. This is doubled when Sae's boyfriend, Takatou, kisses Kanami...

[*] Tokubetsu (Special)
The popular teacher of the school, Sagara, finds a student, Nanami, looking for something in the grass. As he watches her struggle to find a lost object, he finds himself falling in love with her.

[*] Kokoro no Akira (Whereabouts of the Heart)
High school doctor Mai (24) has a "white robe obsession" as her first love was a doctor who treated her when she was 5 years old. She's currently dating a doctor, Konno, who she is deeply in love with even though she knows he's cheating on her. One day she finds someone who looks exactly like her first love.

[*] Himitsu no Koigokoro

Note: Supernatural tag only applies to Story 5.