Games like Sexy Space Defender

If you finished Sexy Space Defender, the closest matches are The Grim Reaper Who Reaped My Heart, Deep Space Waifu, MILF Next Door 2: Hijabi Mama, Help! I Need to Stretch Out for Valentines Day! and Huge Breast Princess Knight Anne. All 10 share its shooter genre and are ranked by how closely their themes and modes overlap.