SGKI-073 "Tentacle-1 Grand Prix 2025" Ms. A, an elite scholarship student who entered the school on a tentacle recommendation, calmly endures being immediately penetrated by a magically modified tentacle

We follow a scholarship student at a prestigious school who has entered the Tentacle-1 Grand Prix, a competition that brings together female technical college students from all over Japan. (The Tentacle-1 Grand Prix is a points-based competition in which students compete to see who can stimulate their opponents' bodies with homemade, magically modified tentacles and elicit the most responsive responses.) During everyday school hours, tentacles are readily available for instant penetration, and during a pre-tournament training camp to overcome weaknesses, she is brought to orgasm by a sudden onset of tentacle orgasms. And then, in the Tentacle-1 finals, she experiences something beyond imagination...