Holy****** onee-chan is a dangerous one and I'm more than positive that she will try and get them together just so she can spoil them both any time she wants
Dunno if it's because this manga hit me at precisely the right time or because it has some strange charm, but I'm not as bothered by the fanservice in here as I usually am.
Super dumb (good) trope, unfortunately so far that’s the only reason it’s erotica-tagged and not just merely suggestive. I’ll still believe there’s more to this, soon.