3-byougo, Yajuu.: Goukon de Sumi ni Ita Kare wa Midara Nikushoku deshita  

3-byougo, Yajuu. Goukon de Sumi ni Ita Kare wa Nikushoku deshita, 3 Seconds Later, He Turned Into a Beast, 3秒後、野獣。～合コンで隅にいた彼は肉食でした

Tsumugi is a college student who has experienced trauma from a violent individual. She sought out a mixer specifically for men with non-aggressive personalities, where she met Kaname. Initially, they got along well, and Kaname resembled her older brother slightly, which caused her to relax around him. However, Kaname pretended to be a passive "herbivore" type man but was actually an aggressive "carnivore" type individual who could quickly change his demeanor.