Ikusa Ayasaki is the older brother of Hayate. He has a very kind personality which Hayate likes about him. In a flashback, after having saved her, Ikusa is shown giving advice to a lady in a shawl who resembles Yukariko Sanzenin. He's a man shrouded in mystery throughout the series.
(Source: hayatenogotoku.wikia)
Content compiled by AnimeList.moe from publicly available sources.
