APA (7th ed.) Citation

Library Pass, LLC, & Toyama, E. (2021). Aoba kun's Confessions 4. Kodansha.

Chicago Style (17th ed.) Citation

Library Pass, LLC, and Ema Toyama. Aoba Kun's Confessions 4. [United States]: Kodansha, 2021.

MLA (9th ed.) Citation

Library Pass, LLC, and Ema Toyama. Aoba Kun's Confessions 4. Kodansha, 2021.

Warning: These citations may not always be 100% accurate.