Critics have noted the episode's "soft" and wholesome atmosphere, comparing it to other "teasing" series like Teasing Master Takagi-san but with a more supportive undertone, as Kubo's antics often aim to help Shiraishi be recognized.
The first episode of (Kubo Won't Let Me Be Invisible), titled "Heroine and Background Character," introduces Junta Shiraishi , a high schooler with such a weak presence that he is virtually invisible to his peers and teachers. This "mob character" status is so extreme that he is often edited into school photos because everyone assumes he was absent. Kubo-san wa Mob wo Yurusanai Episodio 1
: In another test of his presence, Kubo pretends not to know an answer in class and passes the question to Shiraishi, forcing him into a rare moment of being noticed. Critics have noted the episode's "soft" and wholesome
: By the end of the episode, Kubo successfully obtains Shiraishi's contact information ("PINE," a parody of LINE) and surprises him by texting to ask if they can hang out sometime. : In another test of his presence, Kubo
: Over the weekend, Kubo finds Shiraishi in the park. She attempts to take a selfie with him, but the camera's face recognition fails to detect him until they get incredibly close.