大好評のショートアニメにグロッタが参戦!? 『ガヴっとアニメ！ Ｓｗｅｅｔｙ Ｄａｙｓ ～おかしな日常～』「第２話 グロッタかグロッタじゃないか それが問題だ」 東映特撮ファンクラブにて４月２７日（日）９時３０分より配信開始！
Shoma and Kizuto are hanging out at a batting center when they spot someone who looks exactly like Grotta.
This mysterious person changes into sneakers, puts on a helmet, and straps on gloves—something the real Grotta would never bother doing.
Despite the identical appearance, his behavior raises doubts.
Is this really Grotta? Or someone else entirely?
Shoma and his friends set out to uncover the truth behind the lookalike in a lighthearted and comical investigation.
