Seishou Jogangu Alice Doll

Momoka secretly falls for student Nao. Nao has no girlfriend right now. Strong and brave, she always takes care of Nao's life in cold winter day. And the it is too freezing cold, Momoka decides to take a hot bath and wait for Nao's arrival. Nao returns home as usual. Not knowing why, Momoka suddenly has a reverie for him. She takes action... Nao sees this, still hesitates. Eventually they both...

Description from AnimeOnDVD.com
http://www.animeondvd.com/reviews2/disc_reviews/5995.php

Note: On 25.03.2008, Strawberry Jam re-released Seishou Jogangu Alice Doll bundled with Suashi no Houkago under the name Tsubomi no Yuuwaku (蕾の誘惑～淫乱少女たちの姫穴比べ～).