Tanaka-kun is a 2nd year middle school student, who is clueless about Ueno's feelings towards him. He is always late to club meetings, which gives Ueno time to set up inventions to use on him.

The story centers on Ueno, a genius inventor who is in the third grade at her junior high school. She also serves as the head of the school's science club and secretly falls in love with one of its members, second grade student Tanaka. Using her eccentric inventions, Ueno tries to confess her love to him indirectly. But her attempts always end in failure.<br><br>

(Source: Crunchyroll)

__Agency:__ 81 Produce

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__Non-anime roles:__
- Rei - Goddess of Victory: Nikke (VG)
- Royal Fortune - Azur Lane (VG)

The story centers on Ueno, a genius inventor who is in the third grade at her junior high school. She also serves as the head of the school's science club and secretly falls in love with one of its members, second grade student Tanaka. Using her eccentric inventions, Ueno tries to confess her love to him indirectly. But her attempt always ends in failure.<br><br>
(Source: Crunchyroll)

Anthologies included with the special editions of Ueno-san wa Bukiyou.