Disillusioned. That's all. After all, remember how the MC's life was before his girlfriend came in?

True. There are black and white lies IRL. You have to understand the consequences of telling one, as well as knowing its scale and severity.

No. You forgot that the MC intended to reject the confession at first, only accepting it to preserve his social standing in school. He's already mentally prepared to be separated after the month is complete (punishment game), but no, he won't take advantage over her just because he had the advantage of going out with her. That's basic respect he gave her as a girl, the only advantage he utilized during the period is going out with her as a couple, that's it.

There, you get my upvote for the good prediction. :)

Yes, Bone Prison can entrap opponents, but its pointless even if your foe is a melee fighter - didn't read about magical combat? Same goes for bone armor - why do you need physical object for offense or defense if your raw magic or strength (magical combat) is more than enough to smash it into smithereens?

"Summoning is as instantaneous as curses if not faster as a skeleton is often pulled together by the law of attraction after first time summon." Didn't you pay attention? Casting a summoning spell takes LONGER than direct spells.

"The major fault of summoning is the point in study which it's used to do damage." Another point here that you didn't pay attention. Remember why necromancers were the strongest asset in a WARFARE but not interpersonal battles.

Yes, the maid continuously did that, because its PART OF THE JOB. The role she took during that moment, added with her "preferential treatment", on top of his turmoil after the breakup, all three of these breaking points aligned perfectly for his mental breakdown. Any one missing and it surely wouldn't have happened. That's why its timing.

Someone got it right on the past chapter.

Note, he mentioned "from the parallel world's perspective".

He is nothing more than a pitiful lackey wanting to get power just by latching on to others. A PARASITE.

He took the effort to re-iterate his works, that alone makes the confusion forgivable. I too think everything so far is pretty fine, all we need is just to reread the past chapters, had good memory or paid good attention to it, then everything is fine. We are reading a story that centers around the MC's mission after all.

Mind telling me where's the broken logic?

Like InfinityCraze said, they are indeed stronger than them currently. They are, in fact, on the way here.

Oh, Nie Li and Ye Zhong will make f*cking sure of that when they arrive. Nie Li didn't get to catch him back then, and Ye Zhong was ambushed, hopefully they won't make that miss again.

Because the MC was the Martial God (originator of all martial arts that spawned to the current generations) and the world's savior, whoever f*cks with him has countless questions to ask at, with their lives on the chopping block. The only problem was, only the people of his era knew his deeds, nobody from the present.

Yes, its more like a code made between known people rather than a language.

He just made the elder slapped himself in the face without knowing it.

That's part of what worries me. But in terms of drama, I'm actually anticipating it.

"... he's implying is that each girl wasn't acting within what they somewhat social agreed to with it happening multiple times till he snapped."

This part is debatable. It is guaranteed that only two of the three are acting - the kouhai (Kurosaki) and the maid. And he only made a social agreement with his ex, not anyone else - that's why the kouhai and the maid was shocked when he turned, while the ex still kept being a typical green tea b*tch.

As for the mentioning of the MC's dead parents (not by name, but by example), that was an unawarely slip of the mouth by the kouhai - note that the kouhai did not know almost anything about the MC except his outward personality and his liking of Saba fiction. From the MC's standpoint, its pretty unforgivable; But from our POV and hers, she should apologize immediately - which she truly did on the next time they met.

I didn't forgive her THIS ONCE just because she's a cute girl, its because she is aware that she had indeed f*cked up and willing to make amends for it. And yes, he was too kind back then, but now far lesser, as his forgiveness now was only conditional, and Kurosaki knows this.

Yes, the maid was due to bad timing (a purely unfortunate event), the kouhai was due to impression (difficult to change regardless of circumstances), while the ex was out of her malicious nature.