I do find it interesting that she basically just took his revelation in stride like "ok" which means that whatever closure he got from saying that, she has yet to get any on her end.
Based dungeon. Forces people to do things that will intensify that feeling of "I have a crush on that person" but the moment that secret is revealed to the other person it's no longer profitable.
暗永遠執斗 -> "Antoinette" via gangster phonetic kanji usage if anyone cares what the Japanese name for the gang is instead of the made up name by whatever translation processes this went through.
Being a psycho murderer is pretty universally hot. Recall that serial killers who doesn't look like a foul old man will get fan letters in jail from tons of young ladies.
I can't say much to her because I had many conversations like this with the Japanese exchange students in my first year taking Japanese lol. Those ryu type sounds are surprisingly difficult to get right.
My reading of this is that he kind of just has to get this all out of his system first before he can actually move on. Consider what his next move has to be? Is he going to keep punching her? Keep repeating that he was just pretending to be nice the whole time? The cats out of the bag now so...