Kuchibiru kara Toketeiku
くちびるから溶けていく
Chisato aims to match the competence of Isogai-senpai, known as the "Devil" of Project Management, though her progress is hindered by his constant strictness toward her. On her way home, she encounters Isogai, who is drunk and mistakes her for his ex-girlfriend. He then kisses her against her will.