KIKKUN, using polite language, is imitating Shea (APEX).
↓I believe this is the first appearance.
APEXのシアみたいな口調になるKIKKUN【マリオオデッセイ生/#MSSP切り抜き 】

【Original Stream】
Super popular! Can you spot the fake MSSP imitation? Four people play cooperative horror survival! 【MIMESIS】
超スーパー大好評！真似する偽MSSPを見抜け！協力ホラーサバイバルを4人でプレイ！【...

This video was created in accordance with the guidelines for publishing clips of M.S.S Project videos:
https://ch.nicovideo.jp/mssp/blomaga/...

【Chapters】

【Various Links】
・M.S.S Project Live
newmssp
・M.S.S Project Games
@mssp
・M.S.S Project Nico Nico Douga
https://www.nicovideo.jp/user/1398398...
https://www.nicovideo.jp/user/1398464...
・Chaos Channel ☆彡ミ
@かおすちゃんねる彡ミ
・ChaosFB777 (Twitch)
Twitch: chaosfb777
・Kikkun Channel
https://www.youtube.com/channel/UCm9 hOXGuWyYvkG1ip-aLieQ
・Eo Channel
@eoheoh_desu
・Carefree Life
@気ままにライフ

Sound Material:
Sound Effect Lab (https://soundeffect-lab.info/)

BGM Material:
DOVA-SYNDROME (https://dova-s.jp)
Maoudamashii (https://maou.audio/)

#MSSP Clips