Senku and gen where now acquainted in the stone world, they actually got a long pretty well.

One day Ruri invited Senku to tell him the 100 tales gen felt the need to join them.

By the 20th tale, gen was asleep and was leaning on senku, once the tales were over Senku fell asleep too.

2 hours later gen woke up to find he was laying on Senku as he slept