I think they will consider to not go further than checking the heartbeat/touching the chest, because deep down they know the world would explode if things would escalate between them
This is the way yuri should always start.
This is the way yuri should always start.
This is the way yuri should always start.
Not with a whimper but with a bang.
But Akebi-chan didn't get to bang anyone in this chapter... o3o
Hahaha, it will probably take forever for that to happen. Unless we may see the inner fantasies of the little sister :D