OK, about chapter 102:
- As some have noticed, the entire account telling was somewhat tailored to make Rika more simpathetic and less of the devil we've seen thus far. I believe this was all a half-truth, in case she was caught among the way. Remember: the authors always treated Rika as a cunning, ruthless woman who this of herself above other.
- "Soon after my heart skipped a beat, it was all over. I became a college student. Iwabuchi-san was the best contender to feel love": False. Not only she dismisses the entirety of Misato, and how cold and cruel she was to the other, during Iwabuchi's flashback in chapter 99, we see that she indirectly mentions Misato when trying to put Iwabuchi on her side in the attempt to blackmail her. She started dating Iwabuchi out of breaking him into her scheme. The love part was just a small part of the whole.
- "You were pimping your classmates, they started calling this place the whore's house, i heard from the neighbours yesterday": Not entirely false, but there're some holes here. During chapter 64, Satsuki said it was called that, and Misato ascertained the timestamp from their college years. However, Satsuki herself didn't know why it was called that, and considering she herself didn't know that Misato was being blackmailed into sex, i find it very unlikely that the story leaked and Rika's mother took the blow. Further, during chapter 65, the elders of the village didn't seem to want to talk about it, rather they wanted to brush it off and asked Sousuke to forget about it. Now, there's two ways to go with it, i believe.
If they were simply pimped down, demonizing Rika would still be a thing, even if not trying to bring her up.
But at least to me, they were akin to Misato's case: their children and themselves were blackmailed, and bringing Rika back meant bringing back the reason why they were blackmailed.
In both cases, how this info got to her mother wasn't explained.
- "I thought, since Iwabuchi wasn't papa or mama, it could be different and love me, despiste my soiled self": Rather forced, if i may. While here, she brings a warm perspective of wanting to feel loved, during chapter 99( Iwabuchi's flashback), we saw that she was rather cold and pragmatic about breaking up with him, even pointing out how he couldn't get hard upon finding out she was engaged. But the important detail is that: as Miyabi said, Momonga's views were inflated. Rika knew it was Iwabuchi still into her. So yeah, even if not stated, if we'd taken her account for granted, it means she still used Iwabuchi to boost her account, making it easier to reach Sousuke, but omitting how manipulative she was to others in the process.
- "Doumo, Mori Shingo desu": This one was actually nuanced. Mainly 2 points, an easier one and a deeper one. The first is that, during his monologue on chapter 59, when meeting Rika, Shingo seemed more surprised, while Rika was more natural about it, and Rika was nonchalant about doing the account. On 102, Shingo seems more direct and closer to the same face he showed Shiratori on chapter 34, while we didn't see Rika's face, but a closer look at her mouth seemed to imply her usual "scary ghost face", which she made to Akiba, Misato and Iwabuchi. Meaning, she was in complete control of the situation.
The second point is, even if Shingo was necessary for her true love plan, Ryouga Shiratori wasn't, and he was omitted from her story. But why, what was the necessity of her dealing with him?
- "I want to be loved by you, no matter how soiled i become. Because i love you very much": Problematic by itself. Because it brings us back questions we've been making for a while.
Why'd take her 8 years to begin this plot?
If only her gets to be soiled, why did she plan a blackmailing sex tape between Sousuke and Misato?
Why'd she plan on using Momonga and how did she know it'd hit Sousuke?
What was the necessity of Ryouga Shiratori in the grand scheme of her plan?
Why make sure to not only dispose of Akiba, but to destroy her in front of Sousuke?
The only good thing is that, now, we can finnaly close the lid of the SD card scenario. If Rika knew that Sousuke found out about Momonga since day 1( i.e chapter 1), it means that, when Shingo felt cornered, Rika knew Sousuke catched up and was trying to get the card, so she played him like a damn fiddle.