Page 4 - "Being into older women at your age is weird." ... NOT! - it simply means that Kazuma-kun is on the road to one day becoming a Man Of Culture.
And even if he doesn't ever engage in 'this and that' with his new step-mother, happy sexy fun time with a 'Sexy Onee-san' (even if not blood-related) is just as fine, if not better.
And it seems that "A Mother Knows (wink-wink, nudge-nudge)." ðŸ˜ðŸ˜ðŸ˜
In The End, There Can Be Only One Conclusion ..... "APPROVED!" ✌
Arc...And also that To Be Continued at the end...I'm certainly looking forward to the sequel. Still, lusting after your stepmother when you have two perfectly beautiful stepsisters ripe for the picking...Though as a Hentai protagonist, getting all 3 eventually wouldn't be impossible at all. That ending though. Ah yes...I think she knows. Yeah she definitely knows, and I'm definitely curious to find out what happens next.