koko da! yahari Miu-san wa {koko e ike} to itta-n-da!! ここだ！やはり美海さんはここへ行けと言ったんだ！！ [It] is here! [As I thought], Miu-san told [me] {to go here}!!
a, ano... boku... iya, jibun wa Shirahama Ken'ichi desu! あ、あの･･･ボク･･･いや、自分は白浜兼一です！ E, erm... I(boku), [I mean], I(jibun) am Shirahama Ken'ichi.
jibun - a pronoun typically associated with military officers, police officers, detectives, and the sort of profession that demands strict conduct and knowing one's place in a hierarchy.
Fuurinji-san no shoukai de kimashita. yoroshiku onegai shimasu! 風林寺さんの紹介で来ました。よろしくお願いします！ [I] came by Fuurinji-san's invitation. [I'll be in your care]!
yoroshiku onegai shimasu - expression used when introducing yourself, take good care of me, I'll be in your care, pleased to meet you, etc.
