Author's Note: Sorry to cool off your hype, but no forbidden fruit eaten yet, just some light ecchi, can't really have them have sex out of nowhere. The ecchi continues next chapter also, so don't fret at the end.

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1-7.  「First night at an inn 1」

I submerged myself into the hot bathtub inside a small bathhouse provided by the inn we’re staying at and let my fatigue ooze out from my ears.

That last fight with the big Red Goblin was quite tiring. When you look at it in a linear way, it wasn’t even that formidable an opponent. But the problem lied within me having almost no knowledge in how to handle a sword. I have no stances or experience in combat whatsoever.

What? Did you actually expect me to be magically able to swing swords professionally the moment I’m transferred to an otherworld like some light novel protagonists? Nope. Sorry I got you disillusioned, but that’s just bullshit. Real life ain’t that sweet, and I’m just merely a high school student. I’ve never used a sword to fight before.

That said, it took quite some time to cut down the goblin. It didn’t have that much intelligence, but I sucked dick at fighting too much that a mere goblin predicted my movements. Luckily I got Yui supporting me from afar, otherwise, it would’ve taken a lot more time to finish that thing off cleanly.

I didn’t let Yui use the sword instead of me, despite her level being way above me, because her fireballs dealt more damage, and it also has knock-back effects on collision to stagger the opponent. Besides, fighting this way allows Yui to practice her hidden skill.

After that, we were both tired from the prolonged battle, so I decided to return to the kingdom. We took our time and walked back while chatting about various things that seemingly was quite stupid and meaningless.

At the Guild, we got some stares because of our weird clothing, unbefitting of adventurers but I ignored it and walked straight up to the counter to turn in the proofs.

Turned out the last Red Goblin we slew was a Jack-class monster. It was a special individual who is more intelligent and more endurance in combat. That explained why it was so tiring to kill it with the two of us, though Yui is actually level 81 and her chanting time has gotten shorter and shorter as she got used to it.

Incidentally, the rank for strong monsters goes from the lowest Jack, to Queen, King, and lastly, Joker-class is for individuals on the level of a potential Demon Lord.

Thanks to that Jack-class Red Goblin, we got 1 gold coin as reward. We also asked the receptionist for recommendations for shelter and restaurant.

A modest dinner at a decent family restaurant cost us 3 silver coins, and we rented a single room at an inn near the Guild for 1 silver coin per night, meals not included. I must say we’re quite lucky to run into that Jack-class Red Goblin. Had we not, we wouldn’t have this much spare money to save for emergencies.

Looking at how other receptionists count their money, I also learned that 100 copper coins are 1 silver coin, and 100 silver coins are one gold coin.

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Sorting all kinds of new information inside my head, I spaced out in the hot bathtub a little bit and opened my eyes seeing Yui sitting in my lap naked, also spacing out with a satisfying face of having a hot bath.

Err…what…?

Did I actually sleepwalk and abducted Yui into this bath with me? Did I actually strip her naked and put her in my lap? Has my hentai nature that I myself don’t even know about finally gushed forth and took over my consciousness? I am truly confused from the bottom of my heart looking at my little sister sitting inside the hot bath with me, naked. Yes, I repeated myself, because it’s important.

But looking down at her face from this angle is quite fresh. It’s been quite a long time since I last looked at Yui while she’s deep in sleep. Quite cute isn’t she?

Succumbing to my urge, I had to poke her cheek and enjoyed the moment before Yui opened her eyes.

「Onii-chan…you’re such a bad boy…disturbing people’s sleep…」

What? I’m kind of scared of her ability to spit out nonsense while keeping a straight face that literally says 「It’s you who are the weird one here, you know?」.

「First of all, the heck are you doing in here? Second, it’s super bad to sleep in a hot bath anyway?!」

「Eee! I can’t take a bath with my brother?」

I massaged my temples as I felt a few veins bursting.

「How old do you think we are…?」

「Hey! You’re talking all high and mighty, but look here!」

Yui wiggled her plump butt and I realized my Excalibur was in high spirit. It was sinking into the soft flesh of Yui’s voluptuous ass. Dangerous!!! My dick, I mean, my instincts yelled. If she moved any further it would 「enter」!!!

「O-Oi?! That’s super dangerous, you lewd little sister!!!」

「Ufufu~ Said the guy who got turned on this hard because of his own sister’s naked body」

Ugh!! I can’t say anything against that. The proof against me is too obvious already. It’s towering in full spirits for battle, and I can do nothing to make it go away. Thought my mind didn’t recognize it, apparently, my body is aroused by Yui. I don’t actually understand it, though…I’m really a siscon?

「Anyways, onii-chan’s making a stupid face so I’ll stop. Ehehe」

I quietly heaved a long-ass sigh from the bottom of my heart. Had she sat there any longer, it would either make me 「enter」 her due to her movements, or I would stepped into a realm of no return that I was unsure of.

Yui lifted her butt a little and let my thing poked out from behind her hips. It’s not going to go away huh, but I can’t even rub it out either, at least not right now, not in front of Yui…

「–hm?」

Then I suddenly sensed something soft wrapping around my rod gently. This 「thing」 slowly moved up and down, stroking my whole meat rod and stimulating my senses. In other words, it was more than just bad or dangerous by now.

「Now then let Yui get rid of it for you, okay~」

「……ha?」

I was dumbfounded for the second time as I looked at my little sister’s mischievous face.