Aries:
Kendo

Taurus:
Jiro

Gemini:
Kirishima

Cancer:
Koda
(Hopefully your diary was pure like the little bean Koda is)

Leo:
Midoriya

Virgo:
Iida

Libra:
Shoji

Scorpio:
Aoyama

HE KNOWS

Saggitaroius:
Shiozaki

Capricorn:
Tokoyami

Aquarius:
Kaminari

Pisces:
Monoma

Thanks Heypeepers for the request!