Five to five from one punch

Bai Yu is bound to the long-cherished wish system, and from then on, he accepts commissions in every animation world and fulfills the wishes of the entrusted people.
Saitama: "If there is still someone in this world who can compete with me, it must be Shiratama."
Fan Ma Yongjiro: "Baiyu? Hahaha, that's really a filial child."
Tsunade: "Huh? Bai Yu!! That guy peeked at the mother taking a bath, and he hasn't figured it out yet!"

Key words of the novel: Starting with a punch, five or five openings, no pop-up windows, starting with a punch, five or five openings