十三機兵防衛圈[13 Sentinels: Aegis Rim ] BGM – Seaside Vacation 《渚のバカンス》

你会被震惊到的当你玩到2-10
you will be shocked while you play through to the 2-10~

PS4 game shop site for this game:
https://store.playstation.com/zh-hans-hk/product/HP0177-CUSA18093_00-ASIAFULLGAME0000

sound by: 伊藤フウ In-game:因幡深雪