The Monster Within Episode 3

On the night of Nada Okutaro's funeral, Hanajin Ayame is unable to contain her passion and crosses the forbidden line with Minamoto Toya. Unable to forget about Toya, she visits the fencing club where he works, under the pretext of returning the T-shirt she borrowed that day. However, when Ayame tells him that it was a one-night mistake, Toya only looks at her with a lonely look in his eyes... Ayame leaves, wishing he would stay, and this was supposed to be the end of their relationship. However, that night, Toya calls her in a painful voice, saying, "I don't think I can act like nothing happened," and Ayame is made to realize that she feels the same way. The two of them become even more immersed in their forbidden love... (Source: Japanese = tver.jp || Translation = MyDramaList)