i think Seungeon is a minor so they won't show scenes just yet
Hopefully next chapter when things get steamy ;)
Untill they grown up to legal age author won't show up any steamy scenes with them xd
Ohhhh is seungeon old
Spoiler
Btw in the mext chapter the sister will discover that the uke is the seme house and then when they go to school together again seungeon face just crumble icisnncej
Why the fuck does that yellow haired guy can show his light saber but not the two mc. Petition to show their PP