Place it just after a sibling enters the scene, following Onii-chan Onii-chan for the first call, then let Mayuri Tuturu answer the moment for the next anime reaction, keeping Anime Ahh for a later beat.
Über diesen Sound
This is a short voice clip of about 3.7 seconds in which a high, playful voice repeats 'oni-chan' several times, stretching the final call into a long, drawn-out 'chaaaaaan'. It feels cute, teasing and affectionate, like a younger sibling calling for attention with exaggerated sweetness. The repetition makes it instantly recognisable as an anime-style call.