Milky-white sigh / Chichi-iro Toiki

Main character Takashi, overcoming his fear, finally confessed his love to his teacher Sayama-sensei, but was rejected. And the next day, his little sister and childhood friend Sayaka came to comfort and console the poor guy. Sayaka was so responsive that she let our hero touch her breasts... 

The first and second episodes differ in significant changes in both character design and color palette.

 

 

Video restored, episodes merged.