I think the people at cartoonporn.to don't know the difference between Chinese and Japanese text when they're MTLing
004 OG: 親の影響で昔のJーPOPも好きなんだよね TL: "My parents got me really into J-POP this last year" ED: she likes old jpop because of her parents
OG: 今年最後のお / ゆーきーの薔薇を〜〜っ♪ TL: "So it goes a little like this" / "A snow rose...~♪" ED: these are lyrics, she just gets right into and starts singing ("The last white rose of the year")
OG: おおっ高い声出るなぁ〜 TL: "Oh, me...she has such a beautiful voice" ED: he's marvelling at the high notes
005 OG: ではなく TL: "I guess that was a little unexpected" ED: this is the equivalent of a "yeah right" as if the date would go like the prev page depicted
OG: 彼女は姉貴の同級生星の砂南女子学園生徒会副会長星咲カエデ TL: "She's my sister's classmate at Star Sand South Women's college. Also Vice President of the Student Union: Hoshisaki" ED: older sister, academy and not college, and full name Hoshisaki Kaede
OG: なんというご都合主義な TL: "What a wonderful memory..." ED: he's thinking about how fortuitious it is
OG: まじめにやるわよ伊賀さん弟!? TL: "You are Iga's younger brother, do I understand?" ED: she's telling him to get serious
OG: は…っはいぃぃぃっ TL: "It's...I see!" ED: he's just stuttering and saying yes
006 OG: 教科書開いて! TL: "I see you can't even open a book!" ED: she's just telling him to open the book
OG: 前は相手を支配する術をやったケド TL: "Look, I've tried this before. This strange technology that controls others" ED: she's saying she's tried a technique to control other people, but...
OG: 今回やるのは催眠療法の本懐『現代催眠』 TL: "Today we'll use of the essence of hypnotherapy: 'Modern Hypnosis'" ED: she explains that they're using a hypnotherapy technique from the book "Modern Hypnosis"
OG: ドヤ顔か TL: "What a loser" ED: she's commenting on how smug he looks (despite what he's saying)