Author: Japan Reacts Editorial

Background and Key Points

Miki Fujimoto, known by her idol-era nickname “Mikitty,” rose to fame as one of the most popular members of Morning Musume, Japan’s flagship all-female idol group, in the late 1990s and early 2000s. She is married to Koji Yamamoto, a former professional baseball catcher, and the couple has three sons; the eldest, whose rebellious phase she describes, is reportedly in the ninth grade (chugaku 3-nensei), the final year of Japanese junior high school. In Japan, the “rebellious phase” (hankouki) isn’t just a colloquial complaint — it’s a recognized developmental stage, the “second rebellious phase” (dai-ni-ji hankouki), widely discussed in parenting media and typically expected to run through the junior-high years before tapering off by the start of high school or shortly after. That expected timeline is exactly why “already year 5” struck posters as unusually long.

The thread’s actual fault line wasn’t really about the son’s behavior — almost everyone treated some rebellious phase as normal or even necessary for independence. The split was over cause and blame: one camp read Fujimoto’s “I do everything for him” line as proof of overbearing, smothering parenting that provokes and prolongs teenage pushback; another camp, and arguably the more repeated point, blamed the disclosure itself — that discussing an identifiable teenage son’s private struggles on national television is what’s actually humiliating him and fueling resentment.

What outside readers may not register is a Japanese-specific sensitivity: many celebrities here keep children’s identities and school lives strictly out of media, so parading a real, current, named struggle on air reads as a more serious boundary violation in Japan than the equivalent might elsewhere.