We're finally seeing that the yandere trope is all but a bait-and-switch. It seems there's more twist to this twisted tale of longing from these oyakodon pair.
The broken eraser punchline at the end sounds like it's tailor-made for the English language that I'm now curious what the joke was originally in Japanese.
Operation "Look for his female childhood friend or someone he made a promise to as a child" for our incubus playboy. Every romcom MC tends to have one.