Stand Up!!!!

Four individuals—Hinako, Makoto, Yoshi, and Yuki—become involved in an unexpected situation when they are summoned to the principal’s office. There, they are shown unsettling graffiti discovered on a school wall. One of the messages specifically threatens Makoto Shinozuka with death. The group is tasked with uncovering the identity of the person responsible for the graffiti and determining why Makoto is being targeted. As they investigate, they encounter dangerous situations and face an unfolding mystery.