No Matter How I Look At It, It's You Guys' Fault I'm Not Popular manga volume 7 features story and art by Nico Tanigawa.

Tomoko plunges into her second summer vacation as a high school student. Though determined to do absolutely nothing to the best of her ability, she ends up getting dragged into a school event in the early days of her break... Later, Tomoko sees Kii-chan again for the first time in months. Can Tomoko triumph in a covert battle of wills against her little cousin...?