https://twitter.com/grumpy_amu
https://twitter.com/nniu_grumpy
https://twitter.com/intent/user?user_id=1281113649029853184
https://twitter.com/intent/user?user_id=1574365540944351232
https://skeb.jp/@grumpy_amu
https://www.instagram.com/grumpy_amu/
https://bsky.app/profile/grumpychan.bsky.social
https://bsky.app/profile/did:plc:soqnseeodd64fdaltozjma2l
https://note.com/grumpy_amu
https://potofu.me/grumpy-amu
https://suzuri.jp/grumpy_amu
https://grumpy-chan.booth.pm
