Honmei Boy, another Japan-only Game Boy game, likely falls into the dating sim or visual novel genre given its title. Information on its specific gameplay, plot details, or development team is limited in public sources.  The game probably involved a story centered around romance and relationships.  Further research into Japanese game archives would be necessary to find further information on its developer and storyline.

Honmei Boy (Japan)

Home Alone 2 - Lost In New York (USA, Europe)