Seiji is Megumi's neighbor, and childhood friend, thus Seiji understands Megumi's weak and good points. He reveals that he has a secret crush on her, which Megumi herself is completely oblivious to.
Seiji appears to be calm, friendly, and noble. Seiji admires the way Megumi helps out people, and how cheerful she is. He has a strong sense of justice and will always lends a helping hand to those in need.
(Source: Pretty Cure Wiki)
