Yankee Shota to Otaku Oneesan

• Name — YanOta: The Delinquent and the Otaku • Ja Kanji — ヤンキーショタとオタクおねえさん • Ja Romaji — Yankī Shota to Otaku Onē-san • Genre — Romantic comedy

• Type — manga • Author — Yumi Hoshimi • Publisher — Square Enix • Imprint — Gangan Comics Online • Magazine — Gangan Online • First — September 26, 2016 • Volumes — 7 YanOta: The Delinquent and the Otaku is a Japanese manga series written and illustrated by Yumi Hoshimi. It began serialization on Square Enix's Gangan Online manga website in September 2016.

Kazuko Saeki is an office worker who is also an otaku for 2D boys' love and shotacon content. However, she's not good at dealing with men in real life, and becomes frightened when she comes across Ryūō Aikawa, a young yankī boy with a intimidating appearance. Unbeknownst to her, Ryūō has strong romantic feelings for Kazuko.

• Kazuko Saeki • Yoko Hikasa (drama CD) • Ryūō Aikawa • Mutsumi Tamura (drama CD) • Tomomi Tomoda • Mayumi Shintani (drama CD) • Shizuka Otohana • Mikako Komatsu (drama CD) • Rinko Himeno • Nao Tōyama (drama CD) • Panpanman • Kishō Taniyama (drama CD) • Rui • Ayumu Murase (drama CD)

Written and illustrated by Yumi Hoshimi, YanOta: The Delinquent and the Otaku began serialization on Square Enix's Gangan Online manga website on September 26, 2016. Its chapters have been compiled into seven tankōbon volumes as of July 2022. The series' chapters were published in English on Crunchyroll Manga from September 2018, up until the app's closure in December 2023.

A drama CD adaptation was released on January 31, 2018. It featured performances from Mutsumi Tamura, Yoko Hikasa, Mikako Komatsu, Mayumi Shintani, Yū Shimamura, Yuri Amano, Kishō Taniyama, Nao Tōyama, Ayumu Murase, and Yamato Kinjo.