15 years ago, the primary school in front of the school was abandoned.Tomoyuki Kitamura (played by Kenta Inozuka), a police officer who works at a nearby police station, came to the elementary school for crime prevention training.There I met Harumi (Riko Fujitani), a teacher in the health room.The opportunity was an injury sustained during anti-theft training.With the common idea of ​​“protecting the children”, the two chuckled softly.This was a fateful encounter for Chi Hing.

Soon, the two got married and lived as a harmonious couple——.

Some time passed and the hotel opened.Zhixing came to the front desk alone.However, there was no figure of Harumi there.No matter where you go in the hotel, you can always recall the time you spent with Harumi.The person who talks to Chiyuki, who is alone and lost in thought, is Miya (Mikuri Kiyota), a former elementary school graduate.In elementary school, Miya participated in the anti-theft training organized by Chiyuki and Harumi as a student. Did Teacher Harumi come too?% took Zhixing to the old health room.

15 years ago, elementary school student Meiya was a frequent visitor to the health room.Meiya is often unwell, but Harumi always treats her gently.After listening to Miya's memories of Harumi, Chiyuki remembered the last kiss with Harumi...