Chapter 67 Diabolical Temptation
Edited by: Kanaa-senpai
I came to Watanabe-sensei’s home for the first time after university. Since it was a mansion built in a luxury residential area, I felt a bit intimidated when I pressed the intercom.
Because it was my first time visiting, Watanabe-sensei had already returned home.
Watanabe-sensei’s family consisted of his wife and three children. The eldest son had found a job in Tokyo and had no intention of returning, and the second son was a third-year student at a university in Kyoto aiming to become a lawyer. Therefore, the three people currently living together were Watanabe-sensei, his wife, and Kotoha-chan.
Once we finished the meal with Watanabe-sensei’s family, Kotoha-chan stood up immediately, saying, “I’ll go clean up.”
”Kotoha is a girl born quite a bit after the two older ones, and since my husband spoiled her, she grew up quite selfish. It might be difficult, but I’ve heard about you from my husband, Inamori-kun, so I’m counting on you,” the wife said.
”Maybe it’s the rebellious phase, but she won’t talk to me about anything other than the bare essentials. She seems to have taken a liking to you, Hirokazu-kun, so I’m counting on you,” Watanabe-sensei said.
I thought to myself that I’d be at a loss even if asked for such a thing. However, I couldn’t very well say that out loud.
”I understand,” I said, as it was the best I could manage.
When the time came, I was guided by Watanabe-sensei’s wife to Kotoha-chan’s room.
The first thing I thought upon entering the room was how spacious it was. The room was based on a white theme with pastel-colored decorations here and there, and on the bed sat the teddy bear I had prepared during the Christmas party. I suppose ‘girly’ would be the right way to describe it.
For some reason, Kotoha-chan was wearing her high school uniform. Her skirt was excessively short.
”Hirokazu, look,”; Kotoha-chan said.
I was thinking, ‘Using my name without honorifics?’ while Kotoha-chan spun around. Her skirt fluttered up, and I felt like I caught a glimpse of white underwear.
”Did you see?”; Kotoha-chan asked.
Was that on purpose?
”I didn’t see anything,” I said.
”Is that so?”; Kotoha-chan asked.
Kotoha-chan spun around again. I saw something white once more.
”How about now?”; Kotoha-chan asked.
It seemed like she was going to keep going until I said I saw it.
”I thought I saw a flash of something white…” I said.
”Aaaah! Hirokazu, you’re a pervert. But it’s not white. It’s pale pink. Want to check?”; Kotoha-chan asked.
I’m being completely toyed with by her. What’s more, she’s trying to flip up her skirt.
”Kotoha-chan, I came here with the intention of teaching you,” I said.
”Hirokazu, you’re too serious. It’s boring,”; Kotoha-chan said.
As I sat down at the Center Table¹ for the time being, for some reason, Kotoha-chan sat right next to me.
”It’s easier to teach if I’m next to you, right?”; Kotoha-chan asked.
”Take out your math textbook,” I said.
I’ve been asked by Watanabe-sensei to teach math and English.
”I’ll bring it if you give me a kiss,”; Kotoha-chan said.
”That’s a no,” I said.
”We’ve already done it once, so it’s the same no matter how many times we do it, right?”; Kotoha-chan asked.
”Isn’t that the sort of thing you do with someone you like?” I asked.
”That’s why I did it with Hirokazu,”; Kotoha-chan said.
A sudden confession.
”Even so, no,” I said.
”Cheapskate,”; Kotoha-chan said.
Kotoha-chan crawled toward the study desk. I could clearly see the pale pink underwear, but I pretended not to notice.
”It was pale pink, wasn’t it?”; Kotoha-chan asked.
”What was?”; I asked.
”I’m going to tell Manami-oneechan that Hirokazu looked at my underwear,”; Kotoha-chan said.
”Fine. I don’t keep secrets from Manami, so I’ll tell her what happened when I get home,” I said.
That was a lie. I haven’t told her about the university group chat.
”Boring,”; Kotoha-chan said.
As we were doing this, I heard a knock on the door.
”I’ve brought some drinks, may I come in?”; the wife asked.
It seemed the wife had brought some beverages. Kotoha-chan hurriedly adjusted the length of her skirt and opened her math textbook and notebook. Although nothing was written in the notebook…
Kotoha-chan went to the door and received the tray.
”Oh? Kotoha, are you wearing your uniform?”; the wife asked.
”I just thought I’d get into the spirit since it’s for studying,”; Kotoha-chan said.
The wife said, “Please take care of her,” and closed the door.
Kotoha-chan shortened her skirt again. She seems determined to seduce me.
”The other day, did you have sex with Manami-oneechan at the hotel?”; Kotoha-chan asked.
It seemed she still had no intention of studying.
”I’m not going to talk about that,” I said.
”The way you say that means you did, doesn’t it?”; Kotoha-chan asked.
She was on her period, so we only did oral…
”I’m jealous,”; Kotoha-chan said.
”Do you want to have sex?”; I asked.
”I want to do it with Hirokazu,”; Kotoha-chan said.
”In that case, if you make it into the top ten of your grade in the final exams next March, shall we do it?”; I asked.
The motive is impure, but it’ll be a problem if she doesn’t get motivated. I don’t know Kotoha-chan’s academic level, but I took a leap.
”Really?”; Kotoha-chan asked.
”I don’t tell lies,” I said.
”Then I’ll work hard!”; Kotoha-chan said.
”If anyone finds out about this, I won’t be able to continue as your Home Tutor², so you mustn’t tell anyone,”; I said.
”Yes, Hirokazu-se-n-se-i,”; Kotoha-chan said.
I felt a bit of a sting in the way she said ‘Teacher,’ but I guess it’s fine. Since I’m at it, I’ll set one more condition.
”Also,”; I said.
”Eeeh~ there’s more?”; Kotoha-chan asked.
”It’s important. You have to talk properly with your father and mother. Once they’re gone, you won’t be able to talk to them even if you want to, so talk to them about anything—school, friends, whatever. You can do that, right?”; I asked.
”Is that about Hirokazu?”; Kotoha-chan asked.
Whoops, she went back to using my name without honorifics.
”Yes. I wish I had asked and talked about more things,” I said.
”I’ll try. If you say ‘anything,’ then I can talk about the sex too, right?”; Kotoha-chan asked.
”If you say that, I’ll be fired as your tutor, you know?”; I asked.
”Ah! That’s true,”; Kotoha-chan said.
In the end, the time was up without me teaching her a single thing (sweat).
After the wife drove me to the nearest subway station and I arrived at my local station, Manami was waiting in the car.
”How was it?”; Manami asked.
”She’s such a little devil, I might have a hard time ahead,”; I said.
”Kotoha-chan seems to like you, Hirokazu-san, so it’ll work out somehow,” Manami said.
I sincerely hoped that would be the case.
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Summary:
Hirokazu visits Watanabe-sensei’s home for the first time to begin his role as a home tutor for the daughter, Kotoha. He is met with a warm but concerned reception from the parents regarding Kotoha’s rebellious nature. Once alone, Kotoha shamelessly flirtatiously teases Hirokazu, even flashing her underwear and demanding a kiss. To motivate her to study, Hirokazu strikes a risky deal: if she ranks in the top ten, he will ‘do it’ with her. The chapter ends with Hirokazu feeling overwhelmed by her ‘little devil’ energy as Manami picks him up.
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Character Insight:
Kotoha demonstrates a classic ‘Koakuma’ (little devil) persona, using her sexuality and rebellious attitude to manipulate Hirokazu’s attention. Hirokazu shows a mix of professional responsibility and personal vulnerability; his decision to promise intimacy as a reward for grades is a desperate, ethically grey attempt to fulfill his duty as a tutor. This chapter highlights the power dynamic shift where the student is actually the one in control of the ‘lesson’ through emotional and physical temptation.
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Behind the Scene:
The ‘Home Tutor’ trope is a staple in Japanese subculture, often serving as a catalyst for forbidden or high-tension romance due to the private setting and age/authority gaps.
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T/L:
Notes:
• Watanabe – The protagonist’s guardian. He is a lawyer who is skilled at dealing with difficult people and has a history with Yabuta’s father.
• Kotoha – Junior high school student, middle school 3rd year (short height). Daughter of Watanabe-sensei. Energetic, playful, short hair in a ponytail.
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Edited by Kanaa-senpai.
Thanks for reading.
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