I hope "Hero Tonma" was a reference to something I'm just not familiar with - if not, this gets thrown on the pile of another great game with a crappy name.
LOHT is a platform type side-scroller with sumptuous graphics and very challenging gameplay. Don't even try to play if you are prone to control-panel punches or monitor slaps. It took me many continues just to finish the first stage (not that I'm that great a player).
You are a childish-looking hero, who has to shoot and jump his way into a castle. The levels are not overly complicated, but they are well-designed and flooded with ways to die. You shoot the enemies with weapons that can increase in power and change/add options as you power-up. The jumping also has some variability... How long you push the button for controls the height of the jump, and once you are on your way down, you can use the joystick to slow down (push up) or speed up (push down) your descent. In fact, you can even increase your jumping ability with a well timed bounce of an enemy head (which also stuns them for a moment).
Like many games of this genre, you have to find keys to open certain doors and they are often well guarded. Some objects have to be shot many times and then maybe they will reveal an important object to collect or juicy power-up.
Oh, and there are the requisite uber-bosses guarding the end of each level - and they are cooool.
The graphics are top-notch and add plenty to the game. There are videos online with higher levels (that I haven't achieved yet) that look even cooler.
If you ever liked Ghouls 'n' Ghosts 'n' Goblins 'n Mario - you're probably gonna enjoy this game, if you don't, call me some ugly name and get on with your day.