The male protagonist is troubled by the inability to have comfortable sex with his girlfriend.
The person he turns to for help is the gentle older sister living next door, named "Maina".

One day, our troubled protagonist accidentally wandered into the neighbor's room, overwhelmed by his worries.
With the caring support of a gentle older sister figure, he opened up about his troubles
—specifically, the difficulty he was having sex with his girlfriend.
Little did he expect that the kind older sister would take it upon herself to provide him with coaching on improving his Ｈ skills!

This game is a simulation with multiple endings featuring Live2D animations.
Players engage in various sex exercises with a kind older sister figure who agrees with everything they say.
Transform the older sister into the ideal character you desire through the course of the game.

The rules are simple.
Within a limited time, engage in various actions with the accepting older sister who agrees with everything,
aiming to make each other comfortable.
Head, mouth, chest, abdomen, thighs, genitals. Try to attack the sensitive parts of the older sister.
In addition, there are various ways to practice with the older sister,
Hands, mouth, cocks, electric rods, vibrators, dildos, ice cubes, feathers, electric shocks, etc.
Make her comfortable and try different combinations!

Making the older sister happy during coaching unlocks additional actions.
The game features a total of 10 different endings,
each determined by the coaching approach and the developmental state of the older sister.
Experiment with various combinations to discover all possible endings!

ASMR Soundtrack

Voice Actor：星野天
Total Time：58:13