At Bulma's request, Oolong disguises himself as Bulma to provide a service to Master Roshi.
Master Roshi is excited by Bulma's beauty and attacks Oolong Bulma.
However, it feels so good that Oolong loses control and forgets to being Bulma.
Angry at being tricked, Master Roshi casts a sleep paralysis spell on the real Bulma and attacks her.
Please enjoy comedy manga Dragon Ball fanbook.