Ai O Ataeru Kemono-tachi summary: 40-year-old virgin, j.a.panese old man found himself in a different world when he wakes up. When he wakes up in a different world he found out his body become young again. With no help from anyone he spends several years become a slave and spend his days full of hardship. In every day like h.e.l.l until he wishes for death, he meet him&h.e.l.lip;. This is a love story about a young man with small body in the different world that full of beastman.