I didn't have high expectations, but after trying it out, I think this might be the best value for money at the moment. It doesn't have Osaifu-Keitai, but if that's not a problem, I recommend it.
The audio uses VOICEVOX's Zundamon and Shikoku Metal.
[Product links (Amazon, Rakuten, A8 affiliate links used)]
Xiaomi POCO X7 Pro 8GB+256GB Yellow
(Amazon) https://amzn.to/41gCaon
(Rakuten) https://a.r10.to/hPDkEJ
Used PC shop "Iosys"
https://px.a8.net/svt/ejp?a8mat=3BMJQE+AZBV8A+ZFU+61JSJ
[Sub-channels, blogs, SNS]
Sub-channel https://youtube.com/@kadenfriends?si=iPUnGJ9Nol1tWayJ
Digital Kaden Firends https://denshirangeman.com/
note https://note.com/denshirangeman
X (old Twitter) @Denshirangeman
[Past video playlist]
Smartphone review related https://www.youtube.com/playlist?list=PL9KSixNAd1H1IShACQP7CSmXvoCEwiNPJ
Gadget information https://www.youtube.com/playlist?list=PL9KSixNAd1H2n35h2X7Q8ue7bWh34A1Zf
Introducing cheap figures and manga from Book Off, etc. https://www.youtube.com/playlist?list=PL9KSixNAd1H3n_GHxgQci3SUSJg4R6zzR
[BGM and sound effects used]
Sound Effect Lab: https://soundeffect-lab.info/
MusMus: https://musmus.main.jp/
DOVA-SYNDROME: https://dova-s.jp/
Amacha Music Studio: https://amachamusic.chagasi.com/index.html
Maoudamashii (mainly Shining Star): https://maou.audio/