Koi wa 1-nichi ni Shite Narazu
Japanese title: 恋は1日にして成らず
Alternative titles: Koi wa Ichinichi ni Shite Narazu
Type: ONA
Source: Original
Episodes: 1
Status: Finished Airing
Aired: Feb 8, 2021
Duration: 6 min
Studios: Geek Toys
Producers: Studio Mausu
Genres: Slice of Life

Mitsuki Hattori has been recklessly overworking in hopes of becoming the right-hand man to her section chief, Watanabe, one day. Having always admired him from afar, she is saddened to learn that he will soon be transferring sections. Before he leaves, Mitsuki wants Watanabe to notice how pretty she is.

[Written by MAL Rewrite]

As part of the Acneo Story Contest grand prize, Ichi Nichi Shite Narazu adapts the winning literary work of the same name. The contest was held by Dr. Phil Cosmetics in collaboration with the Everystar novel website from June to September 2020, to commemorate the launch of Dr. Phil Cosmetics' Acneo acne skin care products.