3 Byou Go, Yajuu. Goukon de Sumi ni Ita Kare wa Midara na Nikushoku Deshita

Tsumugi Kume embarks on an exhilarating quest to discover true love amidst the whirlwind of life's adventures. She ventures forth into the realm of romance with a burning desire for a deep, meaningful connection - a pursuit that leads her to a riveting gōkon, where fate unexpectedly conspires to bring her face-to-face with Kaname Toujou. At first glance, this affable young man captivates her heart with his disarming charm and earnest sincerity. Yet beneath the surface of their seemingly perfect union, an enigmatic transformation cloaks the true nature of Kaname's character when he unveils a radically altered demeanor upon escorting the inebriated Tsumugi home.