He certainly has been the lead in a lot of shows that are harem, love triangles, or fan service-friendly shows:
Akashic Records of Bastard Magical Instructor*
Baka & Test I/II
Comic Party Revolution*
Date A Live/II/III*
Freezing/II
High School DxD 3/4*
Horizon in the Middle of Nowhere/II*
In Another World With My Smartphone*
Infinite Stratos/II*
Linebarrels of Iron*
Majikoi - Oh! Samurai Girls*
Masamune-kun's Revenge*
Problem children are coming from another world, aren't they?*
Quintessential Quintuplets*
Shakugan no Shana Second II/III*
SHIMONETA: A Boring World Where the Concept of Dirty Jokes Doesn’t Exist
(The) Future Diary
All Comments (2) Comments
Akashic Records of Bastard Magical Instructor*
Baka & Test I/II
Comic Party Revolution*
Date A Live/II/III*
Freezing/II
High School DxD 3/4*
Horizon in the Middle of Nowhere/II*
In Another World With My Smartphone*
Infinite Stratos/II*
Linebarrels of Iron*
Majikoi - Oh! Samurai Girls*
Masamune-kun's Revenge*
Problem children are coming from another world, aren't they?*
Quintessential Quintuplets*
Shakugan no Shana Second II/III*
SHIMONETA: A Boring World Where the Concept of Dirty Jokes Doesn’t Exist
(The) Future Diary
*Harem