Basically, Sanae was beating the crap out of Seija, and at first Seija could take it, because Sanae was filled with so much negative emotion that Seija practically got off on it, but Sanae started using two special types of punches that involve striking your opponent with no ill will/murderous intent, so then Seija had to deal with the pain of the physical punches and having neutral or positive emotions directed towards her.
Kijin Seijaaaaaaaaaa!Yes.Not a word more.I was tied to a pole like a scarecrow and punched in the stomach countless times; you have no idea what that pain felt like.Shouldn't you be happy being the target of all those negative emotions?That was a nightmaaare! If I have to go through this......of the fools, who weren't elected.Reisen! Bamboo spear! Get me a poisoned one!For starters, obviously people will be jealous more or less, if you became a playable character.Usaaa? You want to refuse the playable character position!?All that ugly jealousy, rage, hatred...You fucking losers....has transcended...That honestly was pure ecstasy for both my mind and body.H-hey, you're okay?Gyahah♪ Heey, how do you feel now? Tell me, how do you feel?WAAAAAAAAAAAAAAAAAAAHH!!That... That felt great for sure.L-like I said just now, if someone attacks you out with ill intentions...Aah, it hurt like hell but felt good at first...The author was under the influence of Talking with Tewi videos...A rather popular NicoNico series. More info here (jp).Moreover, your 'twisted little shit' personality appeals to me...More importantly, you're an amanojaku, right?Until I met that human...O-oi, get a hold of yourself, Seija!Wait, why are you coming to me with that?Fist of LoveTechnique used by Monkey D Garp.G-green... Gahh......I'll better be exterminated ten thousand times by the maid!!!But that human...Hundred times by the miko!Fist of EnlightenmentLit. "Bodhisattva's Fist", a technique used by Doppo Orochi.Thousand times by the witch!Green scary green scary green scary green scary.