“I am going to disappear soon, in front of Chiyomi”, “I am already dead” - Hearing Nanjun (Yagi Yusei)'s shocking statement, Horikiri Chiyomi (Iinuma Ai) couldn't bear it.In school and in the handicraft department, Chiyomi was distracted and unable to think about the future.Finally, she ran to the place where Nan Jun had a car accident and shouted: “I want to become smaller too!Be like Nanjun!”Then rush to the truck...!?

At this time, at the Horikiri house, Yuriko (Mariko Kaga) and Shintaro (Shinji Takeda) discovered that Kaede (Yoshino Kimura) was behaving strangely.Kaede told them: “I heard Chiyomi and Nanjun talking last night.”Shintaro finally admitted that he also saw Nanjun, who was only 15 centimeters tall.The adults felt sorry for Chiyomi and Nanjun working so hard to keep the secret - they decided: “If this is their wish...”While waiting for the two to confess, they agreed to continue to pretend not to know.

Chiyomi and Nanjun went to karaoke in order to have a slow conversation in a place where no one was around.Nanjun is like his mother Kaoruko (Akiko Yagi) once said, “I am very happy to be able to spend my last days with Chiyomi like this.” Despite Nanjun's gentle smile, Chiyomi couldn't help but shed tears.Seeing Chiyomi like this, Nanjun made a request...

Afterwards, the two went to Nanjun's hometown, where his father Haruyuki (Sawamura Kazuki) lived.In order to put an end to the tense relationship with his father that had long been caused by Kaoruko, Nanjun conveyed his thoughts to Haruyuki in some way...!?