Whether in the planning rooms for lunar missions or the claustrophobic steel confines of an undersea laboratory, the one thing that every astronaut must learn to deal with is pressure. But as deadly as the blowout of a pressurized cabin may be, the peer pressure that weighs on brothers Mutta and Hibito may be even more crippling. As Mutta prepares to journey to the bottom of the deep blue sea for NEEMO training, Hibito's path descends to even lower depths as his inability to recover sends him into a downward emotional spiral. Will a trip to Russia be the cure for Hibito's malaise? Or, having once reached the stars, will he now end up forever grounded by NASA and JAXA? Yet even as one rising star falters, a second prepares for his ascent to the heavens as Mutta's quest to reach space advances to the next level in the seventh spellbinding collection of SPACE BROTHERS!